CVE-2021-35937

A race condition vulnerability was found in rpm. A local unprivileged user could use this flaw to bypass the checks that were introduced in response to CVE-2017-7500 and CVE-2017-7501, potentially gaining root privileges. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

CVSS v3 6.4 MEDIUM

6.4^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 0.5 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity HIGH

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://access.redhat.com/security/cve/CVE-2021-35937	Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1964125	Issue Tracking Patch Vendor Advisory
https://rpm.org/wiki/Releases/4.18.0	Release Notes
https://security.gentoo.org/glsa/202210-22	Third Party Advisory
https://www.usenix.org/legacy/event/sec05/tech/full_papers/borisov/borisov.pdf	Exploit Technical Description Third Party Advisory
https://access.redhat.com/security/cve/CVE-2021-35937	Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1964125	Issue Tracking Patch Vendor Advisory
https://rpm.org/wiki/Releases/4.18.0	Release Notes
https://security.gentoo.org/glsa/202210-22	Third Party Advisory
https://www.usenix.org/legacy/event/sec05/tech/full_papers/borisov/borisov.pdf	Exploit Technical Description Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:rpm:rpm:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR	cpe:2.3:o:redhat:enterprise_linux:6.0:::::::*
	cpe:2.3:o:redhat:enterprise_linux:7.0:::::::*
	cpe:2.3:o:redhat:enterprise_linux:8.0:::::::*
	cpe:2.3:o:redhat:enterprise_linux:9.0:::::::*

Configuration 3 (hide)

cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*

History

No history.

Information

Published : 2022-08-25 20:15

Updated : 2024-11-21 06:12

NVD link : CVE-2021-35937

Mitre link : CVE-2021-35937

CVE.ORG link : CVE-2021-35937

JSON object : View

Products Affected

redhat

enterprise_linux

fedoraproject

fedora

rpm

rpm

CWE

CWE-59

Improper Link Resolution Before File Access ('Link Following')

CWE-367

Time-of-check Time-of-use (TOCTOU) Race Condition

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