Key Management Errors Affecting openssh package, versions <0:7.4p1-11.el7
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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- published10 Apr 2022
- disclosed5 Jan 2017
Introduced: 5 Jan 2017
CVE-2016-10011 (opens in a new tab)How to fix?
Upgrade Oracle:7 openssh to version 0:7.4p1-11.el7 or higher.
This issue was patched in ELSA-2017-2029.
NVD Description
Note: Versions mentioned in the description apply only to the upstream openssh package and not the openssh package as distributed by Oracle.
See How to fix? for Oracle:7 relevant fixed versions and status.
authfile.c in sshd in OpenSSH before 7.4 does not properly consider the effects of realloc on buffer contents, which might allow local users to obtain sensitive private-key information by leveraging access to a privilege-separated child process.
References
- https://linux.oracle.com/cve/CVE-2016-10011.html
- https://linux.oracle.com/errata/ELSA-2017-2029.html
- http://www.openwall.com/lists/oss-security/2016/12/19/2
- http://www.securityfocus.com/bid/94977
- http://www.securitytracker.com/id/1037490
- http://www.slackware.com/security/viewer.php?l=slackware-security&y=2016&m=slackware-security.647637
- https://access.redhat.com/errata/RHSA-2017:2029
- https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf
- https://cert-portal.siemens.com/productcert/pdf/ssa-676336.pdf
- https://github.com/openbsd/src/commit/ac8147a06ed2e2403fb6b9a0c03e618a9333c0e9
- https://lists.debian.org/debian-lts-announce/2018/09/msg00010.html
- https://security.netapp.com/advisory/ntap-20171130-0002/
- https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03818en_us
- https://www.openssh.com/txt/release-7.4