CVEvulnerability

CVE-2015-6563

6.4 MEDIUM Published 2015-08-24 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2015-08-24
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
6.4 MEDIUM — CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0 ([email protected])
1.9 LOW — AV:L/AC:M/Au:N/C:N/I:P/A:N
Weaknesses
CWE-20

Description

The monitor component in sshd in OpenSSH before 7.0 on non-OpenBSD platforms accepts extraneous username data in MONITOR_REQ_PAM_INIT_CTX requests, which allows local users to conduct impersonation attacks by leveraging any SSH login access in conjunction with control of the sshd uid to send a crafted MONITOR_REQ_PWNAM request, related to monitor.c and monitor_wrap.c.

Affected configurations

• openbsd openssh (<= 6.9) • apple mac os x (<= 10.11.0)

Related

Weakness · CWE (1)

  • CWE-20 Improper Input Validation weakness

References