Common Weakness Enumeration
CWE-416
AllowedUse After Free
Abstraction: Variant · Status: Stable
The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.
9821 vulnerabilities reference this CWE, most recent first.
CVE-2018-17615 (GCVE-0-2018-17615)
Vulnerability from cvelistv5 – Published: 2018-10-29 22:00 – Updated: 2024-08-05 10:54
VLAI
EPSS
VEX
Summary
This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Foxit Reader 9.0.1.5096. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the handling of Mouse Exit events. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-6333.
Severity
No CVSS data available.
CWE
- CWE-416 - Use After Free
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.foxitsoftware.com/support/security-bu… | x_refsource_CONFIRM |
| https://zerodayinitiative.com/advisories/ZDI-18-1096 | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Foxit | Foxit Reader |
Affected:
9.0.1.5096
|
Date Public
2018-10-29 00:00
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CVE-2018-16884 (GCVE-0-2018-16884)
Vulnerability from cvelistv5 – Published: 2018-12-18 22:00 – Updated: 2024-08-05 10:32
VLAI
EPSS
VEX
Summary
A flaw was found in the Linux kernel's NFS41+ subsystem. NFS41+ shares mounted in different network namespaces at the same time can make bc_svc_process() use wrong back-channel IDs and cause a use-after-free vulnerability. Thus a malicious container user can cause a host kernel memory corruption and a system panic. Due to the nature of the flaw, privilege escalation cannot be fully ruled out.
Severity
6.5 (Medium)
CWE
Assigner
References
22 references
Date Public
2018-12-18 00:00
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CVE-2018-16882 (GCVE-0-2018-16882)
Vulnerability from cvelistv5 – Published: 2019-01-03 16:00 – Updated: 2024-08-05 10:32
VLAI
EPSS
VEX
Summary
A use-after-free issue was found in the way the Linux kernel's KVM hypervisor processed posted interrupts when nested(=1) virtualization is enabled. In nested_get_vmcs12_pages(), in case of an error while processing posted interrupt address, it unmaps the 'pi_desc_page' without resetting 'pi_desc' descriptor address, which is later used in pi_test_and_clear_on(). A guest user/process could use this flaw to crash the host kernel resulting in DoS or potentially gain privileged access to a system. Kernel versions before 4.14.91 and before 4.19.13 are vulnerable.
Severity
6.1 (Medium)
CWE
Assigner
References
13 references
| URL | Tags |
|---|---|
| https://marc.info/?l=kvm&m=154514994222809&w=2 | x_refsource_MISC |
| https://usn.ubuntu.com/3872-1/ | vendor-advisoryx_refsource_UBUNTU |
| https://usn.ubuntu.com/3878-1/ | vendor-advisoryx_refsource_UBUNTU |
| https://usn.ubuntu.com/3871-5/ | vendor-advisoryx_refsource_UBUNTU |
| https://usn.ubuntu.com/3878-2/ | vendor-advisoryx_refsource_UBUNTU |
| https://usn.ubuntu.com/3871-4/ | vendor-advisoryx_refsource_UBUNTU |
| http://www.securityfocus.com/bid/106254 | vdb-entryx_refsource_BID |
| https://lwn.net/Articles/775720/ | x_refsource_CONFIRM |
| https://usn.ubuntu.com/3871-1/ | vendor-advisoryx_refsource_UBUNTU |
| https://lwn.net/Articles/775721/ | x_refsource_CONFIRM |
| https://usn.ubuntu.com/3871-3/ | vendor-advisoryx_refsource_UBUNTU |
| https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2… | x_refsource_CONFIRM |
| https://support.f5.com/csp/article/K80557033 | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| The Linux Foundation | kernel: |
Affected:
before 4.14.91
Affected: before 4.19.13 |
Date Public
2018-12-18 00:00
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CVE-2018-16841 (GCVE-0-2018-16841)
Vulnerability from cvelistv5 – Published: 2018-11-28 14:00 – Updated: 2024-08-05 10:32
VLAI
EPSS
VEX
Summary
Samba from version 4.3.0 and before versions 4.7.12, 4.8.7 and 4.9.3 are vulnerable to a denial of service. When configured to accept smart-card authentication, Samba's KDC will call talloc_free() twice on the same memory if the principal in a validly signed certificate does not match the principal in the AS-REQ. This is only possible after authentication with a trusted certificate. talloc is robust against further corruption from a double-free with talloc_free() and directly calls abort(), terminating the KDC process.
Severity
5.7 (Medium)
CWE
Assigner
References
8 references
| URL | Tags |
|---|---|
| http://www.securityfocus.com/bid/106023 | vdb-entryx_refsource_BID |
| https://usn.ubuntu.com/3827-2/ | vendor-advisoryx_refsource_UBUNTU |
| https://usn.ubuntu.com/3827-1/ | vendor-advisoryx_refsource_UBUNTU |
| https://security.netapp.com/advisory/ntap-2018112… | x_refsource_CONFIRM |
| https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2… | x_refsource_CONFIRM |
| https://www.debian.org/security/2018/dsa-4345 | vendor-advisoryx_refsource_DEBIAN |
| https://www.samba.org/samba/security/CVE-2018-168… | x_refsource_CONFIRM |
| https://security.gentoo.org/glsa/202003-52 | vendor-advisoryx_refsource_GENTOO |
Impacted products
Date Public
2018-11-28 00:00
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CVE-2018-16840 (GCVE-0-2018-16840)
Vulnerability from cvelistv5 – Published: 2018-10-31 18:00 – Updated: 2026-04-16 14:08
VLAI
EPSS
VEX
Summary
A heap use-after-free flaw was found in curl versions from 7.59.0 through 7.61.1 in the code related to closing an easy handle. When closing and cleaning up an 'easy' handle in the `Curl_close()` function, the library code first frees a struct (without nulling the pointer) and might then subsequently erroneously write to a struct field within that already freed struct.
Severity
4.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://security.gentoo.org/glsa/201903-03 | vendor-advisoryx_refsource_GENTOO |
| https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2… | x_refsource_CONFIRM |
| https://github.com/curl/curl/commit/81d135d67155c… | x_refsource_CONFIRM |
| http://www.securitytracker.com/id/1042013 | vdb-entryx_refsource_SECTRACK |
| https://curl.haxx.se/docs/CVE-2018-16840.html | x_refsource_MISC |
| https://usn.ubuntu.com/3805-1/ | vendor-advisoryx_refsource_UBUNTU |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| The Curl Project | curl |
Affected:
from 7.59.0 to 7.61.1
|
Date Public
2018-10-31 00:00
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CVE-2018-14809 (GCVE-0-2018-14809)
Vulnerability from cvelistv5 – Published: 2018-09-26 20:00 – Updated: 2024-09-16 22:03
VLAI
EPSS
VEX
Summary
Fuji Electric V-Server 4.0.3.0 and prior, A use after free vulnerability has been identified, which may allow remote code execution.
Severity
No CVSS data available.
CWE
- CWE-416 - USE AFTER FREE CWE-416
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://ics-cert.us-cert.gov/advisories/ICSA-18-254-01 | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Fuji Electric | V-Server |
Affected:
4.0.3.0 and prior
|
Date Public
2018-09-11 00:00
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CVE-2018-14625 (GCVE-0-2018-14625)
Vulnerability from cvelistv5 – Published: 2018-09-10 13:00 – Updated: 2024-08-05 09:29
VLAI
EPSS
VEX
Summary
A flaw was found in the Linux Kernel where an attacker may be able to have an uncontrolled read to kernel-memory from within a vm guest. A race condition between connect() and close() function may allow an attacker using the AF_VSOCK protocol to gather a 4 byte information leak or possibly intercept or corrupt AF_VSOCK messages destined to other clients.
Severity
5.3 (Medium)
CWE
Assigner
References
13 references
| URL | Tags |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2… | x_refsource_CONFIRM |
| https://usn.ubuntu.com/3872-1/ | vendor-advisoryx_refsource_UBUNTU |
| https://usn.ubuntu.com/3878-1/ | vendor-advisoryx_refsource_UBUNTU |
| https://usn.ubuntu.com/3871-5/ | vendor-advisoryx_refsource_UBUNTU |
| https://usn.ubuntu.com/3878-2/ | vendor-advisoryx_refsource_UBUNTU |
| https://usn.ubuntu.com/3871-4/ | vendor-advisoryx_refsource_UBUNTU |
| https://syzkaller.appspot.com/bug?extid=bd3914514… | x_refsource_MISC |
| https://usn.ubuntu.com/3871-1/ | vendor-advisoryx_refsource_UBUNTU |
| https://usn.ubuntu.com/3871-3/ | vendor-advisoryx_refsource_UBUNTU |
| https://lists.debian.org/debian-lts-announce/2019… | mailing-listx_refsource_MLIST |
| https://access.redhat.com/errata/RHSA-2019:2043 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2019:2029 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2019:4154 | vendor-advisoryx_refsource_REDHAT |
Date Public
2018-07-30 00:00
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CVE-2018-14619 (GCVE-0-2018-14619)
Vulnerability from cvelistv5 – Published: 2018-08-30 12:00 – Updated: 2024-08-05 09:29
VLAI
EPSS
VEX
Summary
A flaw was found in the crypto subsystem of the Linux kernel before version kernel-4.15-rc4. The "null skcipher" was being dropped when each af_alg_ctx was freed instead of when the aead_tfm was freed. This can cause the null skcipher to be freed while it is still in use leading to a local user being able to crash the system or possibly escalate privileges.
Severity
6.2 (Medium)
CWE
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://git.kernel.org/pub/scm/linux/kernel/git/t… | x_refsource_CONFIRM |
| https://access.redhat.com/errata/RHSA-2018:2948 | vendor-advisoryx_refsource_REDHAT |
| https://psirt.global.sonicwall.com/vuln-detail/SN… | x_refsource_CONFIRM |
| https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2… | x_refsource_CONFIRM |
| http://www.securityfocus.com/bid/105200 | vdb-entryx_refsource_BID |
Date Public
2018-08-28 00:00
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CVE-2018-14315 (GCVE-0-2018-14315)
Vulnerability from cvelistv5 – Published: 2018-07-31 20:00 – Updated: 2024-08-05 09:21
VLAI
EPSS
VEX
Summary
This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Foxit Reader 9.0.1.5096. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the handling of annotations. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-6328.
Severity
No CVSS data available.
CWE
- CWE-416 - Use After Free
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.foxitsoftware.com/support/security-bu… | x_refsource_CONFIRM |
| https://zerodayinitiative.com/advisories/ZDI-18-775 | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Foxit | Foxit Reader |
Affected:
9.0.1.5096
|
Date Public
2018-07-19 00:00
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CVE-2018-14314 (GCVE-0-2018-14314)
Vulnerability from cvelistv5 – Published: 2018-07-31 20:00 – Updated: 2024-08-05 09:21
VLAI
EPSS
VEX
Summary
This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Foxit Reader 9.0.1.5096. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the handling of annotations. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-6327.
Severity
No CVSS data available.
CWE
- CWE-416 - Use After Free
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.foxitsoftware.com/support/security-bu… | x_refsource_CONFIRM |
| https://zerodayinitiative.com/advisories/ZDI-18-774 | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Foxit | Foxit Reader |
Affected:
9.0.1.5096
|
Date Public
2018-07-19 00:00
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Mitigation
Architecture and Design
Strategy: Language Selection
Choose a language that provides automatic memory management.
Mitigation
Implementation
Strategy: Attack Surface Reduction
When freeing pointers, be sure to set them to NULL once they are freed. However, the utilization of multiple or complex data structures may lower the usefulness of this strategy.
No CAPEC attack patterns related to this CWE.