Buffer overflow in OpenBSD OpenSSH
CVE-2016-1907
The ssh_packet_read_poll2 function in packet.c in OpenSSH before 7.1p2 allows remote attackers to cause a denial of service (out-of-bounds read and application crash) via crafted network traffic.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.
EPSS exploit prediction
EPSS: 0.143 (96.5th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 97th percentile — 96.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.143 · newest: 0.143 · change: 0.000
Affected products
- OpenBSD OpenSSH — versions 6.8, 6.9, 7.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.securityfocus.com/bid/81293 (vdb-entry)
- lists.fedoraproject.org/pipermail/package-announce/2016-January/176349.html (vendor-advisory)
- h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay
- lists.fedoraproject.org/pipermail/package-announce/2016-January/175676.html (vendor-advisory)
- www.openssh.com/txt/release-7.1p2 (Vendor Advisory)
- lists.fedoraproject.org/pipermail/package-announce/2016-February/176516.html (vendor-advisory)
- bto.bluecoat.com/security-advisory/sa109
- h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay
- h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay
- anongit.mindrot.org/openssh.git/commit/
Frequently asked questions
- What is CVE-2016-1907?
- CVE-2016-1907 is a medium-severity vulnerability in OpenBSD OpenSSH, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 5.3/10. Published 2016-01-19.
- How severe is CVE-2016-1907?
- Medium severity. CVSS v3 base score is 5.3 out of 10.
- Is CVE-2016-1907 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.