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44 vulnerabilities found for vs960hd_firmware by synology
CVE-2021-26567 (GCVE-0-2021-26567)
Vulnerability from nvd – Published: 2021-02-26 21:45 – Updated: 2024-09-16 19:56
VLAI
Summary
Stack-based buffer overflow vulnerability in frontend/main.c in faad2 before 2.2.7.1 allow local attackers to execute arbitrary code via filename and pathname options.
Severity
No CVSS data available.
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.synology.com/security/advisory/Synolo… | x_refsource_CONFIRM |
| https://github.com/knik0/faad2/commit/720f7004d6c… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| github/knik0 | faad2 |
Affected:
unspecified , < 2.2.7.1
(custom)
|
Date Public
2021-02-26 00:00
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CVE-2021-26566 (GCVE-0-2021-26566)
Vulnerability from nvd – Published: 2021-02-26 21:45 – Updated: 2024-09-17 03:23
VLAI
Summary
Insertion of sensitive information into sent data vulnerability in synorelayd in Synology DiskStation Manager (DSM) before 6.2.3-25426-3 allows man-in-the-middle attackers to execute arbitrary commands via inbound QuickConnect traffic.
Severity
8.3 (High)
CWE
- CWE-201 - Insertion of Sensitive Information Into Sent Data
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.synology.com/security/advisory/Synolo… | x_refsource_CONFIRM |
| https://www.talosintelligence.com/vulnerability_r… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Synology | Synology DiskStation Manager (DSM) |
Affected:
unspecified , < 6.2.3-25426-3
(custom)
|
Date Public
2021-02-26 00:00
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CVE-2021-26565 (GCVE-0-2021-26565)
Vulnerability from nvd – Published: 2021-02-26 21:45 – Updated: 2024-09-17 01:27
VLAI
Summary
Cleartext transmission of sensitive information vulnerability in synorelayd in Synology DiskStation Manager (DSM) before 6.2.3-25426-3 allows man-in-the-middle attackers to obtain sensitive information via an HTTP session.
Severity
8.3 (High)
CWE
- CWE-319 - Cleartext Transmission of Sensitive Information
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.synology.com/security/advisory/Synolo… | x_refsource_CONFIRM |
| https://www.talosintelligence.com/vulnerability_r… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Synology | Synology DiskStation Manager (DSM) |
Affected:
unspecified , < 6.2.3-25426-3
(custom)
|
Date Public
2021-02-26 00:00
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CVE-2021-26564 (GCVE-0-2021-26564)
Vulnerability from nvd – Published: 2021-02-26 21:45 – Updated: 2024-09-17 00:46
VLAI
Summary
Cleartext transmission of sensitive information vulnerability in synorelayd in Synology DiskStation Manager (DSM) before 6.2.3-25426-3 allows man-in-the-middle attackers to spoof servers via an HTTP session.
Severity
8.3 (High)
CWE
- CWE-319 - Cleartext Transmission of Sensitive Information
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.synology.com/security/advisory/Synolo… | x_refsource_CONFIRM |
| https://www.talosintelligence.com/vulnerability_r… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Synology | Synology DiskStation Manager (DSM) |
Affected:
unspecified , < 6.2.3-25426-3
(custom)
|
Date Public
2021-02-26 00:00
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CVE-2021-26563 (GCVE-0-2021-26563)
Vulnerability from nvd – Published: 2021-02-26 21:45 – Updated: 2024-09-16 16:23
VLAI
Summary
Incorrect authorization vulnerability in synoagentregisterd in Synology DiskStation Manager (DSM) before 6.2.4-25553 allows local users to execute arbitrary code via unspecified vectors.
Severity
8.2 (High)
CWE
- CWE-863 - Incorrect Authorization
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.talosintelligence.com/vulnerability_r… | x_refsource_MISC |
| https://www.synology.com/security/advisory/Synolo… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Synology | DiskStation Manager (DSM) |
Affected:
unspecified , < 6.2.4-25553
(custom)
|
Date Public
2021-06-17 00:00
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CVE-2021-26562 (GCVE-0-2021-26562)
Vulnerability from nvd – Published: 2021-02-26 21:45 – Updated: 2024-09-17 04:08
VLAI
Summary
Out-of-bounds write vulnerability in synoagentregisterd in Synology DiskStation Manager (DSM) before 6.2.3-25426-3 allows man-in-the-middle attackers to execute arbitrary code via syno_finder_site HTTP header.
Severity
9 (Critical)
CWE
- CWE-787 - Out-of-bounds Write
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.synology.com/security/advisory/Synolo… | x_refsource_CONFIRM |
| https://www.talosintelligence.com/vulnerability_r… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Synology | Synology DiskStation Manager (DSM) |
Affected:
unspecified , < 6.2.3-25426-3
(custom)
|
Date Public
2021-02-26 00:00
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CVE-2021-26561 (GCVE-0-2021-26561)
Vulnerability from nvd – Published: 2021-02-26 21:45 – Updated: 2024-09-16 23:06
VLAI
Summary
Stack-based buffer overflow vulnerability in synoagentregisterd in Synology DiskStation Manager (DSM) before 6.2.3-25426-3 allows man-in-the-middle attackers to execute arbitrary code via syno_finder_site HTTP header.
Severity
9 (Critical)
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.synology.com/security/advisory/Synolo… | x_refsource_CONFIRM |
| https://www.talosintelligence.com/vulnerability_r… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Synology | Synology DiskStation Manager (DSM) |
Affected:
unspecified , < 6.2.3-25426-3
(custom)
|
Date Public
2021-02-26 00:00
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CVE-2021-26560 (GCVE-0-2021-26560)
Vulnerability from nvd – Published: 2021-02-26 21:45 – Updated: 2024-09-17 01:30
VLAI
Summary
Cleartext transmission of sensitive information vulnerability in synoagentregisterd in Synology DiskStation Manager (DSM) before 6.2.3-25426-3 allows man-in-the-middle attackers to spoof servers via an HTTP session.
Severity
9 (Critical)
CWE
- CWE-319 - Cleartext Transmission of Sensitive Information
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.synology.com/security/advisory/Synolo… | x_refsource_CONFIRM |
| https://www.talosintelligence.com/vulnerability_r… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Synology | Synology DiskStation Manager (DSM) |
Affected:
unspecified , < 6.2.3-25426-3
(custom)
|
Date Public
2021-02-26 00:00
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CVE-2021-3156 (GCVE-0-2021-3156)
Vulnerability from nvd – Published: 2021-01-26 00:00 – Updated: 2025-10-21 23:35Summary
Sudo before 1.9.5p2 contains an off-by-one error that can result in a heap-based buffer overflow, which allows privilege escalation to root via "sudoedit -s" and a command-line argument that ends with a single backslash character.
Severity
7.8 (High)
SSVC
Exploitation: active
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- n/a
- CWE-193 - Off-by-one Error
Assigner
References
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CVE-2019-9518 (GCVE-0-2019-9518)
Vulnerability from nvd – Published: 2019-08-13 20:50 – Updated: 2024-08-04 21:54
VLAI
Title
Some HTTP/2 implementations are vulnerable to a flood of empty frames, potentially leading to a denial of service
Summary
Some HTTP/2 implementations are vulnerable to a flood of empty frames, potentially leading to a denial of service. The attacker sends a stream of frames with an empty payload and without the end-of-stream flag. These frames can be DATA, HEADERS, CONTINUATION and/or PUSH_PROMISE. The peer spends time processing each frame disproportionate to attack bandwidth. This can consume excess CPU.
Severity
7.5 (High)
CWE
- CWE-400 - Uncontrolled Resource Consumption
Assigner
References
27 references
Credits
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CVE-2019-9517 (GCVE-0-2019-9517)
Vulnerability from nvd – Published: 2019-08-13 20:50 – Updated: 2024-08-04 21:54
VLAI
Title
Some HTTP/2 implementations are vulnerable to unconstrained interal data buffering, potentially leading to a denial of service
Summary
Some HTTP/2 implementations are vulnerable to unconstrained interal data buffering, potentially leading to a denial of service. The attacker opens the HTTP/2 window so the peer can send without constraint; however, they leave the TCP window closed so the peer cannot actually write (many of) the bytes on the wire. The attacker then sends a stream of requests for a large response object. Depending on how the servers queue the responses, this can consume excess memory, CPU, or both.
Severity
7.5 (High)
CWE
- CWE-400 - Uncontrolled Resource Consumption
Assigner
References
47 references
Credits
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CVE-2019-9516 (GCVE-0-2019-9516)
Vulnerability from nvd – Published: 2019-08-13 20:50 – Updated: 2024-08-04 21:54
VLAI
Title
Some HTTP/2 implementations are vulnerable to a header leak, potentially leading to a denial of service
Summary
Some HTTP/2 implementations are vulnerable to a header leak, potentially leading to a denial of service. The attacker sends a stream of headers with a 0-length header name and 0-length header value, optionally Huffman encoded into 1-byte or greater headers. Some implementations allocate memory for these headers and keep the allocation alive until the session dies. This can consume excess memory.
Severity
7.5 (High)
CWE
- CWE-400 - Uncontrolled Resource Consumption
Assigner
References
37 references
Credits
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CVE-2019-9515 (GCVE-0-2019-9515)
Vulnerability from nvd – Published: 2019-08-13 20:50 – Updated: 2024-08-04 21:54
VLAI
Title
Some HTTP/2 implementations are vulnerable to a settings flood, potentially leading to a denial of service
Summary
Some HTTP/2 implementations are vulnerable to a settings flood, potentially leading to a denial of service. The attacker sends a stream of SETTINGS frames to the peer. Since the RFC requires that the peer reply with one acknowledgement per SETTINGS frame, an empty SETTINGS frame is almost equivalent in behavior to a ping. Depending on how efficiently this data is queued, this can consume excess CPU, memory, or both.
Severity
7.5 (High)
CWE
- CWE-400 - Uncontrolled Resource Consumption
Assigner
References
38 references
Credits
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CVE-2019-9514 (GCVE-0-2019-9514)
Vulnerability from nvd – Published: 2019-08-13 00:00 – Updated: 2024-08-04 21:54
VLAI
Title
Some HTTP/2 implementations are vulnerable to a reset flood, potentially leading to a denial of service
Summary
Some HTTP/2 implementations are vulnerable to a reset flood, potentially leading to a denial of service. The attacker opens a number of streams and sends an invalid request over each stream that should solicit a stream of RST_STREAM frames from the peer. Depending on how the peer queues the RST_STREAM frames, this can consume excess memory, CPU, or both.
Severity
7.5 (High)
CWE
- CWE-400 - Uncontrolled Resource Consumption
Assigner
References
67 references
Credits
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CVE-2019-9513 (GCVE-0-2019-9513)
Vulnerability from nvd – Published: 2019-08-13 20:50 – Updated: 2024-08-04 21:54
VLAI
Title
Some HTTP/2 implementations are vulnerable to resource loops, potentially leading to a denial of service
Summary
Some HTTP/2 implementations are vulnerable to resource loops, potentially leading to a denial of service. The attacker creates multiple request streams and continually shuffles the priority of the streams in a way that causes substantial churn to the priority tree. This can consume excess CPU.
Severity
7.5 (High)
CWE
- CWE-400 - Uncontrolled Resource Consumption
Assigner
References
42 references
Credits
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CVE-2019-9511 (GCVE-0-2019-9511)
Vulnerability from nvd – Published: 2019-08-13 20:50 – Updated: 2024-08-04 21:54
VLAI
Title
Some HTTP/2 implementations are vulnerable to window size manipulation and stream prioritization manipulation, potentially leading to a denial of service
Summary
Some HTTP/2 implementations are vulnerable to window size manipulation and stream prioritization manipulation, potentially leading to a denial of service. The attacker requests a large amount of data from a specified resource over multiple streams. They manipulate window size and stream priority to force the server to queue the data in 1-byte chunks. Depending on how efficiently this data is queued, this can consume excess CPU, memory, or both.
Severity
7.5 (High)
CWE
- CWE-400 - Uncontrolled Resource Consumption
Assigner
References
47 references
Credits
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CVE-2021-26567 (GCVE-0-2021-26567)
Vulnerability from cvelistv5 – Published: 2021-02-26 21:45 – Updated: 2024-09-16 19:56
VLAI
Summary
Stack-based buffer overflow vulnerability in frontend/main.c in faad2 before 2.2.7.1 allow local attackers to execute arbitrary code via filename and pathname options.
Severity
No CVSS data available.
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.synology.com/security/advisory/Synolo… | x_refsource_CONFIRM |
| https://github.com/knik0/faad2/commit/720f7004d6c… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| github/knik0 | faad2 |
Affected:
unspecified , < 2.2.7.1
(custom)
|
Date Public
2021-02-26 00:00
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CVE-2021-26566 (GCVE-0-2021-26566)
Vulnerability from cvelistv5 – Published: 2021-02-26 21:45 – Updated: 2024-09-17 03:23
VLAI
Summary
Insertion of sensitive information into sent data vulnerability in synorelayd in Synology DiskStation Manager (DSM) before 6.2.3-25426-3 allows man-in-the-middle attackers to execute arbitrary commands via inbound QuickConnect traffic.
Severity
8.3 (High)
CWE
- CWE-201 - Insertion of Sensitive Information Into Sent Data
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.synology.com/security/advisory/Synolo… | x_refsource_CONFIRM |
| https://www.talosintelligence.com/vulnerability_r… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Synology | Synology DiskStation Manager (DSM) |
Affected:
unspecified , < 6.2.3-25426-3
(custom)
|
Date Public
2021-02-26 00:00
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CVE-2021-26565 (GCVE-0-2021-26565)
Vulnerability from cvelistv5 – Published: 2021-02-26 21:45 – Updated: 2024-09-17 01:27
VLAI
Summary
Cleartext transmission of sensitive information vulnerability in synorelayd in Synology DiskStation Manager (DSM) before 6.2.3-25426-3 allows man-in-the-middle attackers to obtain sensitive information via an HTTP session.
Severity
8.3 (High)
CWE
- CWE-319 - Cleartext Transmission of Sensitive Information
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.synology.com/security/advisory/Synolo… | x_refsource_CONFIRM |
| https://www.talosintelligence.com/vulnerability_r… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Synology | Synology DiskStation Manager (DSM) |
Affected:
unspecified , < 6.2.3-25426-3
(custom)
|
Date Public
2021-02-26 00:00
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CVE-2021-26564 (GCVE-0-2021-26564)
Vulnerability from cvelistv5 – Published: 2021-02-26 21:45 – Updated: 2024-09-17 00:46
VLAI
Summary
Cleartext transmission of sensitive information vulnerability in synorelayd in Synology DiskStation Manager (DSM) before 6.2.3-25426-3 allows man-in-the-middle attackers to spoof servers via an HTTP session.
Severity
8.3 (High)
CWE
- CWE-319 - Cleartext Transmission of Sensitive Information
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.synology.com/security/advisory/Synolo… | x_refsource_CONFIRM |
| https://www.talosintelligence.com/vulnerability_r… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Synology | Synology DiskStation Manager (DSM) |
Affected:
unspecified , < 6.2.3-25426-3
(custom)
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Date Public
2021-02-26 00:00
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CVE-2021-26563 (GCVE-0-2021-26563)
Vulnerability from cvelistv5 – Published: 2021-02-26 21:45 – Updated: 2024-09-16 16:23
VLAI
Summary
Incorrect authorization vulnerability in synoagentregisterd in Synology DiskStation Manager (DSM) before 6.2.4-25553 allows local users to execute arbitrary code via unspecified vectors.
Severity
8.2 (High)
CWE
- CWE-863 - Incorrect Authorization
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.talosintelligence.com/vulnerability_r… | x_refsource_MISC |
| https://www.synology.com/security/advisory/Synolo… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Synology | DiskStation Manager (DSM) |
Affected:
unspecified , < 6.2.4-25553
(custom)
|
Date Public
2021-06-17 00:00
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CVE-2021-26562 (GCVE-0-2021-26562)
Vulnerability from cvelistv5 – Published: 2021-02-26 21:45 – Updated: 2024-09-17 04:08
VLAI
Summary
Out-of-bounds write vulnerability in synoagentregisterd in Synology DiskStation Manager (DSM) before 6.2.3-25426-3 allows man-in-the-middle attackers to execute arbitrary code via syno_finder_site HTTP header.
Severity
9 (Critical)
CWE
- CWE-787 - Out-of-bounds Write
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.synology.com/security/advisory/Synolo… | x_refsource_CONFIRM |
| https://www.talosintelligence.com/vulnerability_r… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Synology | Synology DiskStation Manager (DSM) |
Affected:
unspecified , < 6.2.3-25426-3
(custom)
|
Date Public
2021-02-26 00:00
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CVE-2021-26561 (GCVE-0-2021-26561)
Vulnerability from cvelistv5 – Published: 2021-02-26 21:45 – Updated: 2024-09-16 23:06
VLAI
Summary
Stack-based buffer overflow vulnerability in synoagentregisterd in Synology DiskStation Manager (DSM) before 6.2.3-25426-3 allows man-in-the-middle attackers to execute arbitrary code via syno_finder_site HTTP header.
Severity
9 (Critical)
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.synology.com/security/advisory/Synolo… | x_refsource_CONFIRM |
| https://www.talosintelligence.com/vulnerability_r… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Synology | Synology DiskStation Manager (DSM) |
Affected:
unspecified , < 6.2.3-25426-3
(custom)
|
Date Public
2021-02-26 00:00
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CVE-2021-26560 (GCVE-0-2021-26560)
Vulnerability from cvelistv5 – Published: 2021-02-26 21:45 – Updated: 2024-09-17 01:30
VLAI
Summary
Cleartext transmission of sensitive information vulnerability in synoagentregisterd in Synology DiskStation Manager (DSM) before 6.2.3-25426-3 allows man-in-the-middle attackers to spoof servers via an HTTP session.
Severity
9 (Critical)
CWE
- CWE-319 - Cleartext Transmission of Sensitive Information
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.synology.com/security/advisory/Synolo… | x_refsource_CONFIRM |
| https://www.talosintelligence.com/vulnerability_r… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Synology | Synology DiskStation Manager (DSM) |
Affected:
unspecified , < 6.2.3-25426-3
(custom)
|
Date Public
2021-02-26 00:00
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CVE-2021-3156 (GCVE-0-2021-3156)
Vulnerability from cvelistv5 – Published: 2021-01-26 00:00 – Updated: 2025-10-21 23:35Summary
Sudo before 1.9.5p2 contains an off-by-one error that can result in a heap-based buffer overflow, which allows privilege escalation to root via "sudoedit -s" and a command-line argument that ends with a single backslash character.
Severity
7.8 (High)
SSVC
Exploitation: active
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- n/a
- CWE-193 - Off-by-one Error
Assigner
References
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CVE-2019-9518 (GCVE-0-2019-9518)
Vulnerability from cvelistv5 – Published: 2019-08-13 20:50 – Updated: 2024-08-04 21:54
VLAI
Title
Some HTTP/2 implementations are vulnerable to a flood of empty frames, potentially leading to a denial of service
Summary
Some HTTP/2 implementations are vulnerable to a flood of empty frames, potentially leading to a denial of service. The attacker sends a stream of frames with an empty payload and without the end-of-stream flag. These frames can be DATA, HEADERS, CONTINUATION and/or PUSH_PROMISE. The peer spends time processing each frame disproportionate to attack bandwidth. This can consume excess CPU.
Severity
7.5 (High)
CWE
- CWE-400 - Uncontrolled Resource Consumption
Assigner
References
27 references
Credits
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"refsource": "MLIST",
"url": "https://lists.apache.org/thread.html/rd31230d01fa6aad18bdadc0720acd1747e53690bd35f73a48e7a9b75@%3Ccommits.cassandra.apache.org%3E"
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"datePublished": "2019-08-13T20:50:59.000Z",
"dateReserved": "2019-03-01T00:00:00.000Z",
"dateUpdated": "2024-08-04T21:54:44.510Z",
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CVE-2019-9511 (GCVE-0-2019-9511)
Vulnerability from cvelistv5 – Published: 2019-08-13 20:50 – Updated: 2024-08-04 21:54
VLAI
Title
Some HTTP/2 implementations are vulnerable to window size manipulation and stream prioritization manipulation, potentially leading to a denial of service
Summary
Some HTTP/2 implementations are vulnerable to window size manipulation and stream prioritization manipulation, potentially leading to a denial of service. The attacker requests a large amount of data from a specified resource over multiple streams. They manipulate window size and stream priority to force the server to queue the data in 1-byte chunks. Depending on how efficiently this data is queued, this can consume excess CPU, memory, or both.
Severity
7.5 (High)
CWE
- CWE-400 - Uncontrolled Resource Consumption
Assigner
References
47 references
Credits
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CVE-2019-9516 (GCVE-0-2019-9516)
Vulnerability from cvelistv5 – Published: 2019-08-13 20:50 – Updated: 2024-08-04 21:54
VLAI
Title
Some HTTP/2 implementations are vulnerable to a header leak, potentially leading to a denial of service
Summary
Some HTTP/2 implementations are vulnerable to a header leak, potentially leading to a denial of service. The attacker sends a stream of headers with a 0-length header name and 0-length header value, optionally Huffman encoded into 1-byte or greater headers. Some implementations allocate memory for these headers and keep the allocation alive until the session dies. This can consume excess memory.
Severity
7.5 (High)
CWE
- CWE-400 - Uncontrolled Resource Consumption
Assigner
References
37 references
Credits
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CVE-2019-9515 (GCVE-0-2019-9515)
Vulnerability from cvelistv5 – Published: 2019-08-13 20:50 – Updated: 2024-08-04 21:54
VLAI
Title
Some HTTP/2 implementations are vulnerable to a settings flood, potentially leading to a denial of service
Summary
Some HTTP/2 implementations are vulnerable to a settings flood, potentially leading to a denial of service. The attacker sends a stream of SETTINGS frames to the peer. Since the RFC requires that the peer reply with one acknowledgement per SETTINGS frame, an empty SETTINGS frame is almost equivalent in behavior to a ping. Depending on how efficiently this data is queued, this can consume excess CPU, memory, or both.
Severity
7.5 (High)
CWE
- CWE-400 - Uncontrolled Resource Consumption
Assigner
References
38 references
Credits
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CVE-2019-9513 (GCVE-0-2019-9513)
Vulnerability from cvelistv5 – Published: 2019-08-13 20:50 – Updated: 2024-08-04 21:54
VLAI
Title
Some HTTP/2 implementations are vulnerable to resource loops, potentially leading to a denial of service
Summary
Some HTTP/2 implementations are vulnerable to resource loops, potentially leading to a denial of service. The attacker creates multiple request streams and continually shuffles the priority of the streams in a way that causes substantial churn to the priority tree. This can consume excess CPU.
Severity
7.5 (High)
CWE
- CWE-400 - Uncontrolled Resource Consumption
Assigner
References
42 references
Credits
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