Medium severity6.4NVD Advisory· Published Aug 24, 2015· Updated Jun 17, 2026
CVE-2015-6563
CVE-2015-6563
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
23- osv-coords20 versionspkg:rpm/suse/openssh-askpass-gnome&distro=SUSE%20Linux%20Enterprise%20Desktop%2011%20SP3pkg:rpm/suse/openssh-askpass-gnome&distro=SUSE%20Linux%20Enterprise%20Desktop%2011%20SP4pkg:rpm/suse/openssh-askpass-gnome&distro=SUSE%20Linux%20Enterprise%20Desktop%2012pkg:rpm/suse/openssh-askpass-gnome&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3pkg:rpm/suse/openssh-askpass-gnome&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-TERADATApkg:rpm/suse/openssh-askpass-gnome&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4pkg:rpm/suse/openssh-askpass-gnome&distro=SUSE%20Linux%20Enterprise%20Server%2012pkg:rpm/suse/openssh-askpass-gnome&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP3pkg:rpm/suse/openssh-askpass-gnome&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP4pkg:rpm/suse/openssh-askpass-gnome&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012pkg:rpm/suse/openssh&distro=SUSE%20Linux%20Enterprise%20Desktop%2011%20SP3pkg:rpm/suse/openssh&distro=SUSE%20Linux%20Enterprise%20Desktop%2011%20SP4pkg:rpm/suse/openssh&distro=SUSE%20Linux%20Enterprise%20Desktop%2012pkg:rpm/suse/openssh&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3pkg:rpm/suse/openssh&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-TERADATApkg:rpm/suse/openssh&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4pkg:rpm/suse/openssh&distro=SUSE%20Linux%20Enterprise%20Server%2012pkg:rpm/suse/openssh&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP3pkg:rpm/suse/openssh&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP4pkg:rpm/suse/openssh&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012
< 6.2p2-0.21.3+ 19 more
- (no CPE)range: < 6.2p2-0.21.3
- (no CPE)range: < 6.6p1-13.3
- (no CPE)range: < 6.6p1-29.1
- (no CPE)range: < 6.2p2-0.21.3
- (no CPE)range: < 6.2p2-0.21.3
- (no CPE)range: < 6.6p1-13.3
- (no CPE)range: < 6.6p1-29.1
- (no CPE)range: < 6.2p2-0.21.3
- (no CPE)range: < 6.6p1-13.3
- (no CPE)range: < 6.6p1-29.1
- (no CPE)range: < 6.2p2-0.21.1
- (no CPE)range: < 6.6p1-13.1
- (no CPE)range: < 6.6p1-29.1
- (no CPE)range: < 6.2p2-0.21.1
- (no CPE)range: < 6.2p2-0.21.1
- (no CPE)range: < 6.6p1-13.1
- (no CPE)range: < 6.6p1-29.1
- (no CPE)range: < 6.2p2-0.21.1
- (no CPE)range: < 6.6p1-13.1
- (no CPE)range: < 6.6p1-29.1
Patches
Vulnerability mechanics
References
18- www.openssh.com/txt/release-7.0nvdVendor Advisory
- lists.apple.com/archives/security-announce/2015/Oct/msg00005.htmlnvd
- lists.fedoraproject.org/pipermail/package-announce/2015-August/165170.htmlnvd
- lists.opensuse.org/opensuse-security-announce/2015-09/msg00017.htmlnvd
- rhn.redhat.com/errata/RHSA-2016-0741.htmlnvd
- seclists.org/fulldisclosure/2015/Aug/54nvd
- www.openwall.com/lists/oss-security/2015/08/22/1nvd
- www.oracle.com/technetwork/topics/security/bulletinjan2016-2867206.htmlnvd
- www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.htmlnvd
- www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.htmlnvd
- www.securityfocus.com/bid/76317nvd
- cert-portal.siemens.com/productcert/pdf/ssa-412672.pdfnvd
- github.com/openssh/openssh-portable/commit/d4697fe9a28dab7255c60433e4dd23cf7fce8a8bnvd
- lists.debian.org/debian-lts-announce/2018/09/msg00010.htmlnvd
- security.gentoo.org/glsa/201512-04nvd
- security.netapp.com/advisory/ntap-20180201-0002/nvd
- support.apple.com/HT205375nvd
- www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2019-766nvd
News mentions
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