SB2021051023 - Path traversal in Babel
Published: May 10, 2021
Security Bulletin ID
SB2021051023
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Path traversal (CVE-ID: CVE-2021-20095)
CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to perform directory traversal attacks.
The vulnerability exists due to input validation error when processing directory traversal sequences. A local user can load arbitrary files on disk and execute arbitrary code.
Remediation
Install update from vendor's website.
References
- https://www.tenable.com/security/research/tra-2021-14
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PKXUEWVKU5WASYSAFXQP6SFSDOG773RV/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MORYINYUSYI6XLC4UKPRGGFD2WMO7GSM/