#VU76757 Memory leak in libcap - CVE-2023-2602

Vulnerability identifier: #VU76757

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-2023-2602

CWE-ID: CWE-401

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
libcap
Other software / Other software solutions

Vendor: www.friedhoff.org

Description
The vulnerability allows a remote attacker to perform DoS attack on the target system.

The vulnerability exists due memory leak in the error handling in the __wrap_pthread_create() function. A remote attacker can send a specially crafted request, exploit vulnerability to exhaust the process memory and cause a denial of service condition.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

libcap: before 2.69

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External links
https://www.ibm.com/support/pages/node/6999699

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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.