Vulnerability identifier: #VU65759

Vulnerability risk: Low

CVSSv3.1: 2.4 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-2469

CWE-ID: CWE-125

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
GNU SASL
Universal components / Libraries / Libraries used by multiple products

Vendor: GNU

Description

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

The vulnerability exists due to a boundary condition in the "lib/gssapi/server.c". A remote authenticated GSS-API client can send specially crafted request to the GNU SASL server, trigger an out-of-bounds read error and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

GNU SASL: 0.0.0 - 2.0.0

---

External links
http://gitlab.com/gitlab-org/cves/-/blob/master/2022/CVE-2022-2469.json
http://gitlab.com/gsasl/gsasl/-/commit/796e4197f696261c1f872d7576371232330bcc30

---

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

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