#VU77773 NULL pointer dereference in iniparser - CVE-2023-33461

Vulnerability identifier: #VU77773

Vulnerability risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-33461

CWE-ID: CWE-476

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
iniparser
Other software / Other software solutions

Vendor: ndevilla.free.fr

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error within the iniparser_getlongint() function. A remote attacker can pass specially crafted file to the application and perform a denial of service (DoS) attack.

Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

iniparser: 3.1 - 4.1

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External links
https://github.com/ndevilla/iniparser/issues/144
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BQAIP5AURSTWIQOOP7G4CXYJ5IIGPY3Q/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ASV7SEDHGCP63GYAFEW3CTTVQDZM5RIK/

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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.