Link following in glog - CVE-2024-45339
Published: February 21, 2025
Vulnerability identifier: #VU104138
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2024-45339
CWE-ID: CWE-59
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Google
Affected software:
glog
glog
Detailed vulnerability description
The vulnerability allows a local user to overwrite arbitrary files on the system.
The vulnerability exists due to insecure link following when writing log files. A local user can point a symbolic link to a critical file on the system and overwrite it with the log data.
How to mitigate CVE-2024-45339
Install updates from vendor's website.
Sources
- https://github.com/golang/glog/pull/74
- https://github.com/golang/glog/pull/74/commits/b8741656e406e66d6992bc2c9575e460ecaa0ec2
- https://groups.google.com/g/golang-announce/c/H-Q4ouHWyKs
- https://lists.debian.org/debian-lts-announce/2025/02/msg00019.html
- https://owasp.org/www-community/vulnerabilities/Insecure_Temporary_File
- https://pkg.go.dev/vuln/GO-2025-3372