Double Free The advisory has been revoked - it doesn't affect any version of package dropbear (opens in a new tab)
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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Test your applications- Snyk IDSNYK-UBUNTU1910-DROPBEAR-653672
- published19 May 2017
- disclosed19 May 2017
Introduced: 19 May 2017
CVE-2017-9078 (opens in a new tab)Amendment
The Ubuntu security team deemed this advisory irrelevant for Ubuntu:19.10.
NVD Description
Note: Versions mentioned in the description apply only to the upstream dropbear package and not the dropbear package as distributed by Ubuntu.
The server in Dropbear before 2017.75 might allow post-authentication root remote code execution because of a double free in cleanup of TCP listeners when the -a option is enabled.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2017-9078
- http://lists.ucc.gu.uwa.edu.au/pipermail/dropbear/2017q2/001985.html
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-9078
- http://www.debian.org/security/2017/dsa-3859
- https://security-tracker.debian.org/tracker/CVE-2017-9078
- https://security.netapp.com/advisory/ntap-20191004-0006/