Loop with Unreachable Exit Condition ('Infinite Loop') The advisory has been revoked - it doesn't affect any version of package samba (opens in a new tab)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-UBUNTU1704-SAMBA-615189
- published6 Jun 2017
- disclosed6 Jun 2017
Introduced: 6 Jun 2017
CVE-2017-9461 (opens in a new tab)Amendment
The Ubuntu security team deemed this advisory irrelevant for Ubuntu:17.04.
NVD Description
Note: Versions mentioned in the description apply only to the upstream samba package and not the samba package as distributed by Ubuntu.
smbd in Samba before 4.4.10 and 4.5.x before 4.5.6 has a denial of service vulnerability (fd_open_atomic infinite loop with high CPU usage and memory consumption) due to wrongly handling dangling symlinks.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2017-9461
- https://bugzilla.samba.org/show_bug.cgi?id=12572
- https://git.samba.org/?p=samba.git;a=commit;h=10c3e3923022485c720f322ca4f0aca5d7501310
- https://bugs.debian.org/864291
- https://lists.debian.org/debian-lts-announce/2019/04/msg00013.html
- https://security-tracker.debian.org/tracker/CVE-2017-9461
- https://access.redhat.com/errata/RHSA-2017:1950
- https://access.redhat.com/errata/RHSA-2017:2338
- https://access.redhat.com/errata/RHSA-2017:2778
- http://www.securityfocus.com/bid/99455
- https://git.samba.org/?p=samba.git%3Ba=commit%3Bh=10c3e3923022485c720f322ca4f0aca5d7501310