CWE-367
Time-of-check Time-of-use (TOCTOU) Race Condition
The product checks the state of a resource before using that resource, but the resource's state can change between the check and the use in a way that invalidates the results of the check.
CVE-2023-5760 (GCVE-0-2023-5760)
Vulnerability from cvelistv5 – Published: 2023-11-08 16:36 – Updated: 2024-09-03 20:20
VLAI
Title
Time-of-check to time-of-use (TOCTOU) bug leads to full local privilege escalation.
Summary
A time-of-check to time-of-use (TOCTOU) bug in handling of IOCTL (input/output control) requests. This TOCTOU bug leads to an out-of-bounds write vulnerability which can be further exploited, allowing an attacker to gain full local privilege escalation on the system.This issue affects Avast/Avg Antivirus: 23.8.
Severity
8.2 (High)
CWE
- CWE-367 - Time-of-check Time-of-use (TOCTOU) Race Condition
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Avast/AVG | Avast/Avg Antivirus |
Affected:
23.8
|
Credits
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CVE-2023-6690 (GCVE-0-2023-6690)
Vulnerability from cvelistv5 – Published: 2023-12-21 20:45 – Updated: 2024-08-02 08:35
VLAI
Summary
A race condition in GitHub Enterprise Server allowed an existing admin to maintain permissions on transferred repositories by making a GraphQL mutation to alter repository permissions during the transfer. This vulnerability affected GitHub Enterprise Server version 3.8.0 and above and was fixed in version 3.8.12, 3.9.7, 3.10.4, and 3.11.1.
Severity
CWE
- CWE-367 - Time-of-check Time-of-use (TOCTOU) Race Condition
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| GitHub | Enterprise Server |
Affected:
3.8 , ≤ 3.8.11
(semver)
Affected: 3.9 , ≤ 3.9.6 (semver) Affected: 3.10 , ≤ 3.10.3 (semver) Affected: 3.11 , ≤ 3.11.0 (semver) |
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CVE-2023-6803 (GCVE-0-2023-6803)
Vulnerability from cvelistv5 – Published: 2023-12-21 20:45 – Updated: 2024-08-02 08:42
VLAI
Title
Race Condition allows Unauthorized Outside Collaborator
Summary
A race condition in GitHub Enterprise Server allows an outside collaborator to be added while a repository is being transferred. This vulnerability affected all versions of GitHub Enterprise Server since 3.8 and was fixed in version 3.8.12, 3.9.7, 3.10.4, and 3.11.1.
Severity
5.8 (Medium)
CWE
- CWE-367 - Time-of-check Time-of-use (TOCTOU) Race Condition
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| GitHub | Enterprise Server |
Affected:
3.8 , ≤ 3.8.11
(semver)
Affected: 3.9 , ≤ 3.9.6 (semver) Affected: 3.10 , ≤ 3.10.3 (semver) Affected: 3.11 , ≤ 3.11.0 (semver) |
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CVE-2023-6917 (GCVE-0-2023-6917)
Vulnerability from cvelistv5 – Published: 2024-02-28 14:38 – Updated: 2026-02-25 18:20
VLAI
Title
Pcp: unsafe use of directories allows pcp to root privilege escalation
Summary
A vulnerability has been identified in the Performance Co-Pilot (PCP) package, stemming from the mixed privilege levels utilized by systemd services associated with PCP. While certain services operate within the confines of limited PCP user/group privileges, others are granted full root privileges. This disparity in privilege levels poses a risk when privileged root processes interact with directories or directory trees owned by unprivileged PCP users. Specifically, this vulnerability may lead to the compromise of PCP user isolation and facilitate local PCP-to-root exploits, particularly through symlink attacks. These vulnerabilities underscore the importance of maintaining robust privilege separation mechanisms within PCP to mitigate the potential for unauthorized privilege escalation.
Severity
6 (Medium)
CWE
- CWE-367 - Time-of-check Time-of-use (TOCTOU) Race Condition
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://access.redhat.com/errata/RHSA-2024:2213 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/security/cve/CVE-2023-6917 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2254983 | issue-trackingx_refsource_REDHAT |
Impacted products
4 products
| Vendor | Product | Version | |
|---|---|---|---|
| Red Hat | Red Hat Enterprise Linux 9 |
Unaffected:
0:6.2.0-1.el9 , < *
(rpm)
cpe:/a:redhat:enterprise_linux:9::appstream |
|
| Red Hat | Red Hat Enterprise Linux 6 |
cpe:/o:redhat:enterprise_linux:6 |
|
| Red Hat | Red Hat Enterprise Linux 7 |
cpe:/o:redhat:enterprise_linux:7 |
|
| Red Hat | Red Hat Enterprise Linux 8 |
cpe:/o:redhat:enterprise_linux:8 |
Date Public
2024-02-15 00:00
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CVE-2024-0132 (GCVE-0-2024-0132)
Vulnerability from cvelistv5 – Published: 2024-09-26 05:18 – Updated: 2024-09-27 03:55
VLAI
Summary
NVIDIA Container Toolkit 1.16.1 or earlier contains a Time-of-check Time-of-Use (TOCTOU) vulnerability when used with default configuration where a specifically crafted container image may gain access to the host file system. This does not impact use cases where CDI is used. A successful exploit of this vulnerability may lead to code execution, denial of service, escalation of privileges, information disclosure, and data tampering.
Severity
9 (Critical)
CWE
- CWE-367 - Time-of-check Time-of-use (TOCTOU) Race Condition
Assigner
References
1 reference
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
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Affected:
All versions up to and including v1.16.1
|
|
| NVIDIA | GPU Operator |
Affected:
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CVE-2024-0133 (GCVE-0-2024-0133)
Vulnerability from cvelistv5 – Published: 2024-09-26 05:21 – Updated: 2024-09-26 13:30
VLAI
Summary
NVIDIA Container Toolkit 1.16.1 or earlier contains a vulnerability in the default mode of operation allowing a specially crafted container image to create empty files on the host file system. This does not impact use cases where CDI is used. A successful exploit of this vulnerability may lead to data tampering.
Severity
4.1 (Medium)
CWE
- CWE-367 - Time-of-check Time-of-use (TOCTOU) Race Condition
Assigner
References
1 reference
Impacted products
2 products
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|---|---|---|---|
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Affected:
All versions up to and including v1.16.1
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CVE-2024-0163 (GCVE-0-2024-0163)
Vulnerability from cvelistv5 – Published: 2024-03-13 16:28 – Updated: 2024-08-12 13:54
VLAI
Summary
Dell PowerEdge Server BIOS and Dell Precision Rack BIOS contain a TOCTOU race condition vulnerability. A local low privileged attacker could potentially exploit this vulnerability to gain access to otherwise unauthorized resources.
Severity
5.3 (Medium)
CWE
- CWE-367 - Time-of-check Time-of-use (TOCTOU) Race Condition
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.dell.com/support/kbdoc/en-us/00022275… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Dell | PowerEdge BIOS Intel 16G |
Affected:
N/A , < 2.0.0
(semver)
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Date Public
2024-03-12 06:30
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CVE-2024-0171 (GCVE-0-2024-0171)
Vulnerability from cvelistv5 – Published: 2024-06-25 15:30 – Updated: 2024-08-01 17:41
VLAI
Summary
Dell PowerEdge Server BIOS contains an TOCTOU race condition vulnerability. A local low privileged attacker could potentially exploit this vulnerability to gain access to otherwise unauthorized resources.
Severity
5.3 (Medium)
CWE
- CWE-367 - Time-of-check Time-of-use (TOCTOU) Race Condition
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.dell.com/support/kbdoc/en-us/00022625… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Dell | PowerEdge Platform |
Affected:
N/A , < 1.8.3
(semver)
Affected: N/A , < 1.3.3 (semver) |
Date Public
2024-06-24 06:30
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CVE-2024-10972 (GCVE-0-2024-10972)
Vulnerability from cvelistv5 – Published: 2024-12-16 14:49 – Updated: 2025-09-05 08:40
VLAI
Title
WinPmem Improper Input Validation vulnerability
Summary
Velocidex WinPmem versions 4.1 and below suffer from an Improper Input Validation vulnerability whereby an attacker with admin access can trigger a BSOD with a parallel thread changing the memory’s access right under the control of the user-mode application. This is due to verification only being performed at the beginning of the routine allowing the userspace to change page permissions half way through the routine. A valid workaround is a rule to detect unauthorized loading of winpmem outside incident response operations.
Severity
7.3 (High)
CWE
- CWE-367 - Time-of-check Time-of-use (TOCTOU) Race Condition
Assigner
References
1 reference
Date Public
2024-12-16 14:45
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CVE-2024-13944 (GCVE-0-2024-13944)
Vulnerability from cvelistv5 – Published: 2025-05-09 15:18 – Updated: 2025-10-13 09:52
VLAI
Title
Link Following Local Privilege Escalation Vulnerability in NortonUtilitiesSvc in Norton Utilities Ultimate (Also affects Avast CleanUp and AVG TuneUp)
Summary
Link Following Local Privilege Escalation Vulnerability in NortonUtilitiesSvc in Norton Utilities Ultimate Version 24.2.16862.6344 on Windows 10 Pro x64 allows local attackers to escalate privileges and execute arbitrary code in the context of SYSTEM via the creation of a symbolic link and leveraging a TOCTTOU (time-of-check to time-of-use) attack.
Severity
7.8 (High)
CWE
Assigner
References
1 reference
Impacted products
Credits
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Mitigation
Phase: Implementation
Description:
- The most basic advice for TOCTOU vulnerabilities is to not perform a check before the use. This does not resolve the underlying issue of the execution of a function on a resource whose state and identity cannot be assured, but it does help to limit the false sense of security given by the check.
Mitigation
Phase: Implementation
Description:
- When the file being altered is owned by the current user and group, set the effective gid and uid to that of the current user and group when executing this statement.
Mitigation
Phase: Architecture and Design
Description:
- Limit the interleaving of operations on files from multiple processes.
Mitigation
Phases: Implementation, Architecture and Design
Description:
- If you cannot perform operations atomically and you must share access to the resource between multiple processes or threads, then try to limit the amount of time (CPU cycles) between the check and use of the resource. This will not fix the problem, but it could make it more difficult for an attack to succeed.
Mitigation
Phase: Implementation
Description:
- Recheck the resource after the use call to verify that the action was taken appropriately.
Mitigation
Phase: Architecture and Design
Description:
- Ensure that some environmental locking mechanism can be used to protect resources effectively.
Mitigation
Phase: Implementation
Description:
- Ensure that locking occurs before the check, as opposed to afterwards, such that the resource, as checked, is the same as it is when in use.
CAPEC-27: Leveraging Race Conditions via Symbolic Links
This attack leverages the use of symbolic links (Symlinks) in order to write to sensitive files. An attacker can create a Symlink link to a target file not otherwise accessible to them. When the privileged program tries to create a temporary file with the same name as the Symlink link, it will actually write to the target file pointed to by the attackers' Symlink link. If the attacker can insert malicious content in the temporary file they will be writing to the sensitive file by using the Symlink. The race occurs because the system checks if the temporary file exists, then creates the file. The attacker would typically create the Symlink during the interval between the check and the creation of the temporary file.
CAPEC-29: Leveraging Time-of-Check and Time-of-Use (TOCTOU) Race Conditions
This attack targets a race condition occurring between the time of check (state) for a resource and the time of use of a resource. A typical example is file access. The adversary can leverage a file access race condition by "running the race", meaning that they would modify the resource between the first time the target program accesses the file and the time the target program uses the file. During that period of time, the adversary could replace or modify the file, causing the application to behave unexpectedly.