Packages
- samba - SMB/CIFS file, print, and login server for Unix
Details
It was discovered that Samba incorrectly handled dangling symlinks. A
remote attacker could possibly use this issue to cause Samba to hang,
resulting in a denial of service. This issue only applied to Ubuntu 14.04
LTS and Ubuntu 16.04 LTS. (CVE-2017-9461)
In addition, this update fixes a regression introduced by USN-3267-1
that caused Samba to incorrectly handle non-wide symlinks to directories.
It was discovered that Samba incorrectly handled dangling symlinks. A
remote attacker could possibly use this issue to cause Samba to hang,
resulting in a denial of service. This issue only applied to Ubuntu 14.04
LTS and Ubuntu 16.04 LTS. (CVE-2017-9461)
In addition, this update fixes a regression introduced by USN-3267-1
that caused Samba to incorrectly handle non-wide symlinks to directories.
Update instructions
In general, a standard system update will make all the necessary changes.
Learn more about how to get the fixes.The problem can be corrected by updating your system to the following package versions:
| Ubuntu Release | Package Version | ||
|---|---|---|---|
| 17.04 zesty | samba – 2:4.5.8+dfsg-0ubuntu0.17.04.3 | ||
| 16.10 yakkety | samba – 2:4.4.5+dfsg-2ubuntu5.7 | ||
| 16.04 xenial | samba – 2:4.3.11+dfsg-0ubuntu0.16.04.8 | ||
| 14.04 trusty | samba – 2:4.3.11+dfsg-0ubuntu0.14.04.9 | ||
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