Vulnerability identifier: #VU77081

Vulnerability risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-33204

CWE-ID: CWE-190

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
sysstat
Client/Desktop applications / Other client software

Vendor: GODARD Sebastien

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to integer overflow within the check_overflow() function in common.c. A remote attacker can trigger an integer overflow and execute arbitrary code on the target system.

Note, the vulnerability exists due to incomplete fix for #VU69196 (CVE-2022-39377).

Mitigation
Install updates from vendor's website.

Vulnerable software versions

sysstat: 4.0.7 - 12.7.2

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External links
http://github.com/sysstat/sysstat/pull/360
http://lists.debian.org/debian-lts-announce/2023/05/msg00026.html
http://github.com/sysstat/sysstat/commit/954ff2e2673cef48f0ed44668c466eab041db387
http://github.com/sysstat/sysstat/issues/359

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.