#VU69196 Buffer overflow in sysstat - CVE-2022-39377

Vulnerability identifier: #VU69196

Vulnerability risk: Medium

CVSSv4.0: 4 [CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2022-39377

CWE-ID: CWE-119

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 a boundary error within the allocate_structures() function in sa_common.c . A remote attacker can trick the victim into running a malicious application on system with a vulnerable version of sysstat, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

sysstat: 9.1.6 - 12.6.1

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External links
https://github.com/sysstat/sysstat/security/advisories/GHSA-q8r6-g56f-9w7x

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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.