Remote code execution in pkgconf

1) Buffer overflow

EUVDB-ID: #VU72138

Risk: Medium

CVSSv4.0: 4.8 [CVSS:4.0/AV:N/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-2018-1000221

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

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

The vulnerability exists due to a boundary error when processing .pc files within the dequote() function. A remote attacker can create a specially crafted .pc file, trick the victim into opening it, 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

pkgconf: 1.5.1 - 1.5.2

CPE2.3

• cpe:2.3:a:pkgconf:pkgconf:1.5.1:*:*:*:*:*:*:*
• cpe:2.3:a:pkgconf:pkgconf:1.5.2:*:*:*:*:*:*:*

External links

https://git.dereferenced.org/pkgconf/pkgconf/pulls/3

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.