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redhatRedHatRHSA-2024:0582
HistoryJan 30, 2024 - 12:53 p.m.

(RHSA-2024:0582) Moderate: rpm security update

2024-01-3012:53:23
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14
rpm package manager
package management system
security fix
toctou race
chown/chmod/capabilities calls
unsafe symlinks
cve-2021-35937
cve-2021-35938
cve-2021-35939
references
cvss score
acknowledgments

6.7 Medium

CVSS3

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

7.2 High

AI Score

Confidence

Low

4 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

MULTIPLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:L/AC:L/Au:M/C:P/I:P/A:P

0.001 Low

EPSS

Percentile

35.7%

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.

6.7 Medium

CVSS3

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

7.2 High

AI Score

Confidence

Low

4 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

MULTIPLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:L/AC:L/Au:M/C:P/I:P/A:P

0.001 Low

EPSS

Percentile

35.7%