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almalinuxAlmaLinuxALSA-2024:0463
HistoryJan 25, 2024 - 12:00 a.m.

Moderate: rpm security update

2024-01-2500:00:00
errata.almalinux.org
27
rpm package manager
toctou race
unsafe symlinks
chown/chmod/capabilities
cve-2021-35937
cve-2021-35938
cve-2021-35939
security update
unix

CVSS3

6.7

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

AI Score

6.8

Confidence

Low

EPSS

0.001

Percentile

36.7%

The RPM Package Manager (RPM) is a command-line driven package management system capable of installing, uninstalling, verifying, querying, and updating software packages.

Security Fix(es):

  • rpm: TOCTOU race in checks for unsafe symlinks (CVE-2021-35937)
  • rpm: races with chown/chmod/capabilities calls during installation (CVE-2021-35938)
  • rpm: checks for unsafe symlinks are not performed for intermediary directories (CVE-2021-35939)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

CVSS3

6.7

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

AI Score

6.8

Confidence

Low

EPSS

0.001

Percentile

36.7%