Home/CVE/Multiple CRLF injection vulnerabilities in session.c in sshd in OpenSSH before 7.2p2 allow remote authenticated users to
CVE

CVE-2016-3115

Multiple CRLF injection vulnerabilities in session.c in sshd in OpenSSH before 7.2p2 allow remote authenticated users to

Multiple CRLF injection vulnerabilities in session.c in sshd in OpenSSH before 7.2p2 allow remote authenticated users to bypass intended shell-command restrictions via crafted X11 forwarding data, related to the (1) do_authenticated1 and (2) session_x11_req functions.

MEDIUM · CVSS 6.4 EPSS 0.50367
Act now
  • EPSS ≥ 0.50 - high probability of exploitation in the next 30 days
  • EPSS percentile: top 2% of all CVEs by exploitation likelihood
  • Public exploit or PoC is available
Sigma rules2 YARA rules0
▤

Affected Products & Versions

2
openbsd openssh<= 7.2
oracle vm serverall versions
⚠

Public Exploits & PoCs

3
remoteOpenSSH 7.2p1 - (Authenticated) xauth Command Injection2016-03-16
pocpacketstormsecurity.com · OpenSSH-7.2p1-xauth-Command-Injection-Bypass.htmlpacketstormsecurity.com
pocwww.exploit-db.com · 39569www.exploit-db.com
◈

Sigma Hunt Rules

2
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
productmediumSuspicious OpenSSH Daemon Error
productmediumOpenSSH Server Listening On Socket
▣

Scoring & Timeline

6.4
MEDIUM · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD22 Mar 2016 · 10:59 AM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
⚑

Vendor Advisories

7
suse-csafSUSE-SU-2016:2555-1
suse-csafSUSE-SU-2016:2388-1
suse-csafSUSE-SU-2016:1528-1
suse-csafSUSE-SU-2016:1386-1
usnUSN-2966-1
🔗

References & Sources

23
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://cvsweb.openbsd.org/cgi-bin/cvsweb/src/usr.bin/ssh/session.c
http://cvsweb.openbsd.org/cgi-bin/cvsweb/src/usr.bin/ssh/session.c.diff?r1=1.281&r2=1.282&f=h
http://lists.fedoraproject.org/pipermail/package-announce/2016-April/183101.html
http://lists.fedoraproject.org/pipermail/package-announce/2016-April/183122.html
http://lists.fedoraproject.org/pipermail/package-announce/2016-March/178838.html
http://lists.fedoraproject.org/pipermail/package-announce/2016-March/179924.html
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