CWE-476
NULL Pointer Dereference
The product dereferences a pointer that it expects to be valid but is NULL.
CVE-2020-9085 (GCVE-0-2020-9085)
Vulnerability from cvelistv5 – Published: 2024-12-27 09:37 – Updated: 2024-12-27 16:06
VLAI
Summary
There is a NULL pointer dereference vulnerability in some Huawei products. An attacker may send specially crafted POST messages to the affected products. Due to insufficient validation of some parameter in the message, successful exploit may cause some process abnormal. (Vulnerability ID: HWPSIRT-2017-10105)
This vulnerability has been assigned a Common Vulnerabilities and Exposures (CVE) ID: CVE-2020-9085.
Severity
5.3 (Medium)
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Huawei | HUAWEI 4G Router B612 |
Affected:
B612s-25dTCPU-V100R001B192D03SP00C234
Affected: B612s-25dTCPU-V100R001B192D03SP00C287 Affected: B612s-25dTCPU-V100R001B192D05SP00C00 |
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CVE-2020-9746 (GCVE-0-2020-9746)
Vulnerability from cvelistv5 – Published: 2020-10-14 13:17 – Updated: 2025-04-23 19:47
VLAI
Title
Exploitable NULL pointer deref could lead to arbitrary code execution
Summary
Adobe Flash Player version 32.0.0.433 (and earlier) are affected by an exploitable NULL pointer dereference vulnerability that could result in a crash and arbitrary code execution. Exploitation of this issue requires an attacker to insert malicious strings in an HTTP response that is by default delivered over TLS/SSL.
Severity
CWE
- CWE-476 - NULL Pointer Dereference (CWE-476)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://helpx.adobe.com/security/products/flash-p… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Adobe | Flash Player |
Affected:
unspecified , ≤ 32.0.0.387
(custom)
Affected: unspecified , ≤ 32.0.0.433 (custom) Affected: unspecified , ≤ None (custom) |
Date Public
2020-10-13 00:00
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CVE-2021-0206 (GCVE-0-2021-0206)
Vulnerability from cvelistv5 – Published: 2021-01-15 17:35 – Updated: 2024-09-17 01:15
VLAI
Title
Junos OS: NFX Series, SRX Series: PFE may crash upon receipt of specific packet when SSL Proxy is configured.
Summary
A NULL Pointer Dereference vulnerability in Juniper Networks Junos OS allows an attacker to send a specific packet causing the packet forwarding engine (PFE) to crash and restart, resulting in a Denial of Service (DoS). By continuously sending these specific packets, an attacker can repeatedly disable the PFE causing a sustained Denial of Service (DoS). This issue only affects Juniper Networks NFX Series, SRX Series platforms when SSL Proxy is configured. This issue affects Juniper Networks Junos OS on NFX Series and SRX Series: 18.3 versions prior to 18.3R3-S4; 18.4 versions prior to 18.4R3-S1; 19.1 versions prior to 19.1R1-S6, 19.1R2-S2, 19.1R3; 19.2 versions prior to 19.2R1-S2, 19.2R2; 19.3 versions prior to 19.3R2. This issue does not affect Juniper Networks Junos OS versions on NFX Series and SRX Series prior to 18.3R1.
Severity
7.5 (High)
CWE
- CWE-476 - NULL Pointer Dereference
- Denial of Service (DoS)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://kb.juniper.net/JSA11096 | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Juniper Networks | Junos OS |
Affected:
18.3R1 , < 18.3*
(custom)
Affected: 18.4 , < 18.4R3-S1 (custom) Affected: 19.1 , < 19.1R1-S6, 19.1R2-S2, 19.1R3 (custom) Affected: 19.2 , < 19.2R1-S2, 19.2R2 (custom) Affected: 19.3 , < 19.3R2 (custom) |
Date Public
2021-01-13 00:00
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CVE-2021-0251 (GCVE-0-2021-0251)
Vulnerability from cvelistv5 – Published: 2021-04-22 19:37 – Updated: 2024-09-16 18:56
VLAI
Title
Junos OS: MX Series with MS-PIC, MS-SPC3, MS-MIC or MS-MPC: The BRAS Subscriber Services service activation portal is vulnerable to a Denial of Service (DoS) via malformed HTTP packets
Summary
A NULL Pointer Dereference vulnerability in the Captive Portal Content Delivery (CPCD) services daemon (cpcd) of Juniper Networks Junos OS on MX Series with MS-PIC, MS-SPC3, MS-MIC or MS-MPC allows an attacker to send malformed HTTP packets to the device thereby causing a Denial of Service (DoS), crashing the Multiservices PIC Management Daemon (mspmand) process thereby denying users the ability to login, while concurrently impacting other mspmand services and traffic through the device. Continued receipt and processing of these malformed packets will create a sustained Denial of Service (DoS) condition. While the Services PIC is restarting, all PIC services will be bypassed until the Services PIC completes its boot process. An attacker sending these malformed HTTP packets to the device who is not part of the Captive Portal experience is not able to exploit this issue. This issue is not applicable to MX RE-based CPCD platforms. This issue affects: Juniper Networks Junos OS on MX Series 17.3 version 17.3R1 and later versions prior to 17.4 versions 17.4R2-S9, 17.4R3-S2; 18.1 versions prior to 18.1R3-S9; 18.2 versions prior to 18.2R3-S3; 18.3 versions prior to 18.3R3-S1; 18.4 versions prior to 18.4R3; 19.1 versions prior to 19.1R2-S2, 19.1R3; 19.2 versions prior to 19.2R2; 19.3 versions prior to 19.3R3. This issue does not affect: Juniper Networks Junos OS versions prior to 17.3R1.
Severity
8.6 (High)
CWE
- Denial of Service (DoS)
- CWE-476 - NULL Pointer Dereference
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://kb.juniper.net/JSA11144 | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Juniper Networks | Junos OS |
Unaffected:
unspecified , < 17.3R1
(custom)
Affected: 17.3R1 , < 17.3* (custom) Affected: 17.4 , < 17.4R2-S9, 17.4R3-S2 (custom) Affected: 18.1 , < 18.1R3-S9 (custom) Affected: 18.2 , < 18.2R3-S3 (custom) Affected: 18.3 , < 18.3R3-S1 (custom) Affected: 18.4 , < 18.4R3 (custom) Affected: 19.1 , < 19.1R2-S2, 19.1R3 (custom) Affected: 19.2 , < 19.2R2 (custom) Affected: 19.3 , < 19.3R3 (custom) |
Date Public
2021-04-14 00:00
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CVE-2021-1115 (GCVE-0-2021-1115)
Vulnerability from cvelistv5 – Published: 2021-10-27 20:35 – Updated: 2024-08-03 15:55
VLAI
Summary
NVIDIA GPU Display Driver for Windows contains a vulnerability in the kernel mode layer (nvlddmkm.sys) handler for private IOCTLs, where an attacker with local unprivileged system access may cause a NULL pointer dereference, which may lead to denial of service in a component beyond the vulnerable component.
Severity
6.5 (Medium)
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://nvidia.custhelp.com/app/answers/detail/a_… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| NVIDIA | NVIDIA GPU Display Driver |
Affected:
All GPU Driver versions
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CVE-2021-1116 (GCVE-0-2021-1116)
Vulnerability from cvelistv5 – Published: 2021-10-27 20:35 – Updated: 2024-08-03 15:55
VLAI
Summary
NVIDIA GPU Display Driver for Windows contains a vulnerability in the kernel mode layer (nvlddmkm.sys), where a NULL pointer dereference in the kernel, created within user mode code, may lead to a denial of service in the form of a system crash.
Severity
5.5 (Medium)
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
1 reference
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1 product
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| NVIDIA | NVIDIA GPU Display Driver |
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CVE-2021-1122 (GCVE-0-2021-1122)
Vulnerability from cvelistv5 – Published: 2021-10-29 19:30 – Updated: 2024-08-03 15:55
VLAI
Summary
NVIDIA vGPU software contains a vulnerability in the Virtual GPU Manager (vGPU plugin), where it can dereference a NULL pointer, which may lead to denial of service.
Severity
5.5 (Medium)
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://nvidia.custhelp.com/app/answers/detail/a_… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| NVIDIA | NVIDIA Virtual GPU Software |
Affected:
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CVE-2021-20196 (GCVE-0-2021-20196)
Vulnerability from cvelistv5 – Published: 2021-05-26 21:16 – Updated: 2024-08-03 17:30
VLAI
Summary
A NULL pointer dereference flaw was found in the floppy disk emulator of QEMU. This issue occurs while processing read/write ioport commands if the selected floppy drive is not initialized with a block device. This flaw allows a privileged guest user to crash the QEMU process on the host, resulting in a denial of service. The highest threat from this vulnerability is to system availability.
Severity
No CVSS data available.
CWE
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://bugs.launchpad.net/qemu/+bug/1912780 | x_refsource_MISC |
| https://www.openwall.com/lists/oss-security/2021/… | x_refsource_MISC |
| https://security.netapp.com/advisory/ntap-2021070… | x_refsource_CONFIRM |
| https://lists.debian.org/debian-lts-announce/2022… | mailing-listx_refsource_MLIST |
| https://lists.debian.org/debian-lts-announce/2022… | mailing-listx_refsource_MLIST |
Impacted products
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CVE-2021-20213 (GCVE-0-2021-20213)
Vulnerability from cvelistv5 – Published: 2021-03-25 18:57 – Updated: 2024-08-03 17:30
VLAI
Summary
A flaw was found in Privoxy in versions before 3.0.29. Dereference of a NULL-pointer that could result in a crash if accept-intercepted-requests was enabled, Privoxy failed to get the request destination from the Host header and a memory allocation failed.
Severity
No CVSS data available.
CWE
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://www.privoxy.org/3.0.29/user-manual/whatsn… | x_refsource_MISC |
| https://bugzilla.redhat.com/show_bug.cgi?id=1928739 | x_refsource_MISC |
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CVE-2021-20274 (GCVE-0-2021-20274)
Vulnerability from cvelistv5 – Published: 2021-03-09 13:11 – Updated: 2024-08-03 17:37
VLAI
Summary
A flaw was found in privoxy before 3.0.32. A crash may occur due a NULL-pointer dereference when the socks server misbehaves.
Severity
No CVSS data available.
CWE
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://www.privoxy.org/announce.txt | x_refsource_MISC |
| https://bugzilla.redhat.com/show_bug.cgi?id=1936662 | x_refsource_MISC |
| https://security.gentoo.org/glsa/202107-16 | vendor-advisoryx_refsource_GENTOO |
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"dateUpdated": "2024-08-03T17:37:23.763Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
Mitigation ID: MIT-56
Phase: Implementation
Description:
- For any pointers that could have been modified or provided from a function that can return NULL, check the pointer for NULL before use. When working with a multithreaded or otherwise asynchronous environment, ensure that proper locking APIs are used to lock before the check, and unlock when it has finished [REF-1484].
Mitigation
Phase: Requirements
Description:
- Select a programming language that is not susceptible to these issues.
Mitigation
Phase: Implementation
Description:
- Check the results of all functions that return a value and verify that the value is non-null before acting upon it.
Mitigation
Phase: Architecture and Design
Description:
- Identify all variables and data stores that receive information from external sources, and apply input validation to make sure that they are only initialized to expected values.
Mitigation
Phase: Implementation
Description:
- Explicitly initialize all variables and other data stores, either during declaration or just before the first usage.
No CAPEC attack patterns related to this CWE.