CVE-2021-32554 (GCVE-0-2021-32554)

Vulnerability from cvelistv5 – Published: 2021-06-12 03:40 – Updated: 2024-09-16 23:20
VLAI
Title
apport read_file() function could follow maliciously constructed symbolic links
Summary
It was discovered that read_file() in apport/hookutils.py would follow symbolic links or open FIFOs. When this function is used by the xorg package apport hooks, it could expose private data to other local users.
Severity
7.3 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:L
CWE
  • CWE-59 - Improper Link Resolution Before File Access ('Link Following')
  • CWE-61 - UNIX Symbolic Link (Symlink) Following
Assigner
References
Impacted products
Vendor Product Version
Canonical apport Affected: 2.20.1 , < 2.20.1-0ubuntu2.30+esm1 (custom)
Affected: 2.20.9 , < 2.20.9-0ubuntu7.24 (custom)
Affected: 2.20.11-0ubuntu27 , < 2.20.11-0ubuntu27.18 (custom)
Affected: 2.20.11-0ubuntu50 , < 2.20.11-0ubuntu50.7 (custom)
Affected: 2.20.11-0ubuntu65 , < 2.20.11-0ubuntu65.1 (custom)
Affected: 2.14.1-0ubuntu3 , < 2.14.1-0ubuntu3.29+esm7 (custom)
Create a notification for this product.
Date Public
2021-05-25 00:00
Credits
maik@secfault-security.com (@fktio)
Show details on NVD website
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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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