CVE-2022-39377

Published: 8 November 2022

sysstat is a set of system performance tools for the Linux operating system. On 32 bit systems, in versions 9.1.16 and newer but prior to 12.7.1, allocate_structures contains a size_t overflow in sa_common.c. The allocate_structures function insufficiently checks bounds before arithmetic multiplication, allowing for an overflow in the size allocated for the buffer representing system activities. This issue may lead to Remote Code Execution (RCE). This issue has been patched in version 12.7.1.

Notes

Author	Note
rodrigo-zaiden	incomplete fix for this CVE caused CVE-2023-33204.

Priority

Cvss 3 Severity Score

7.8

Score breakdown

Status

Package	Release	Status
sysstat Launchpad, Ubuntu, Debian	bionic	Released (11.6.1-1ubuntu0.2)
	focal	Released (12.2.0-2ubuntu0.2)
	jammy	Released (12.5.2-2ubuntu0.1)
	kinetic	Released (12.5.6-1ubuntu0.1)
	lunar	Released (12.5.6-1ubuntu1)
	upstream	Released (12.6.1-1, 12.7.1)
	xenial	Released (11.2.0-1ubuntu0.3+esm1) Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
	trusty	Released (10.2.0-1ubuntu0.1~esm1) Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
	Patches: upstream: https://github.com/sysstat/sysstat/commit/9c4eaf150662ad40607923389d4519bc83b93540 upstream: https://github.com/sysstat/sysstat/commit/c9a11d35df4aecfcf22aef827bac6cd57def9d4e upstream: https://github.com/sysstat/sysstat/commit/44f1dc159242c1e434a3b836cda49f084c5a96cc

Severity score breakdown

Parameter	Value
Base score	7.8
Attack vector	Local
Attack complexity	Low
Privileges required	None
User interaction	Required
Scope	Unchanged
Confidentiality	High
Integrity impact	High
Availability impact	High
Vector	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References

Bugs

https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1023832

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