Improper input validation in Apple Mac Os X
CVE-2015-6563
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.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
EPSS: 0.004 (30.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Apple Mac_os_x
- Openbsd Openssh
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (mailing-list)
- cve@mitre.org (vendor-advisory)
- cve@mitre.org (vendor-advisory)
- cve@mitre.org
- cve@mitre.org (vdb-entry)
- cve@mitre.org
- cve@mitre.org
- cve@mitre.org (vendor-advisory)
- cve@mitre.org (Vendor Advisory)
- cve@mitre.org
Frequently asked questions
- What is CVE-2015-6563?
- CVE-2015-6563 is a medium-severity vulnerability in Apple Mac Os X, classified under Improper Input Validation. CVSS score: 6.4/10. Published 2015-08-24.
- How severe is CVE-2015-6563?
- Medium severity. CVSS v3 base score is 6.4 out of 10.
- Is CVE-2015-6563 known to be exploited?
- 12 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.