RHSA-2023:3097 — Security Advisory

An update for gssntlmssp is now available for Red Hat Enterprise Linux 8.

Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

The gssntlmssp is a GSSAPI NTLM mechanism that allows to perform NTLM authentication in GSSAPI programs.

Security Fix(es):

• gssntlmssp: multiple out-of-bounds read when decoding NTLM fields (CVE-2023-25563)

• gssntlmssp: memory corruption when decoding UTF16 strings (CVE-2023-25564)

• gssntlmssp: incorrect free when decoding target information (CVE-2023-25565)

• gssntlmssp: memory leak when parsing usernames (CVE-2023-25566)

• gssntlmssp: out-of-bounds read when decoding target information (CVE-2023-25567)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.