Moderate: gssntlmssp security update

2023-05-1600:00:00

Google

osv.dev

gssntlmssp

security update

ntlm mechanism

CVSS3

8.2

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H

AI Score

7.3

Confidence

Low

EPSS

0.001

Percentile

45.8%

JSON

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.