NULL Pointer Dereference Affecting openssh package, versions <1:7.4p1-1
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published21 Jan 2018
- disclosed21 Jan 2018
Introduced: 21 Jan 2018
CVE-2016-10708 (opens in a new tab)How to fix?
Upgrade Debian:12 openssh to version 1:7.4p1-1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream openssh package and not the openssh package as distributed by Debian.
See How to fix? for Debian:12 relevant fixed versions and status.
sshd in OpenSSH before 7.4 allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via an out-of-sequence NEWKEYS message, as demonstrated by Honggfuzz, related to kex.c and packet.c.
References
- https://security-tracker.debian.org/tracker/CVE-2016-10708
- https://cert-portal.siemens.com/productcert/pdf/ssa-676336.pdf
- https://kc.mcafee.com/corporate/index?page=content&id=SB10284
- https://support.f5.com/csp/article/K32485746?utm_source=f5support&utm_medium=RSS
- https://lists.debian.org/debian-lts-announce/2018/01/msg00031.html
- https://lists.debian.org/debian-lts-announce/2018/09/msg00010.html
- http://blog.swiecki.net/2018/01/fuzzing-tcp-servers.html
- https://anongit.mindrot.org/openssh.git/commit/?id=28652bca29046f62c7045e933e6b931de1d16737
- https://www.openssh.com/releasenotes.html
- https://security.netapp.com/advisory/ntap-20180423-0003/
- http://www.securityfocus.com/bid/102780
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2016-10708
- https://usn.ubuntu.com/3809-1/
- https://support.f5.com/csp/article/K32485746?utm_source=f5support&%3Butm_medium=RSS