Out-of-bounds Read Affecting libwbclient-devel package, versions <0:4.18.6-100.el9


Severity

Recommended
0.0
medium
0
10

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.39% (74th percentile)

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  • Snyk IDSNYK-ORACLE9-LIBWBCLIENTDEVEL-6067087
  • published17 Nov 2023
  • disclosed20 Jul 2023

Introduced: 20 Jul 2023

CVE-2022-2127  (opens in a new tab)
CWE-125  (opens in a new tab)

How to fix?

Upgrade Oracle:9 libwbclient-devel to version 0:4.18.6-100.el9 or higher.
This issue was patched in ELSA-2023-6667.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libwbclient-devel package and not the libwbclient-devel package as distributed by Oracle. See How to fix? for Oracle:9 relevant fixed versions and status.

An out-of-bounds read vulnerability was found in Samba due to insufficient length checks in winbindd_pam_auth_crap.c. When performing NTLM authentication, the client replies to cryptographic challenges back to the server. These replies have variable lengths, and Winbind fails to check the lan manager response length. When Winbind is used for NTLM authentication, a maliciously crafted request can trigger an out-of-bounds read in Winbind, possibly resulting in a crash.

CVSS Base Scores

version 3.1