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CVE-2015-5277

Publication date 17 December 2015

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

The get_contents function in nss_files/files-XXX.c in the Name Service Switch (NSS) in GNU C Library (aka glibc or libc6) before 2.20 might allow local users to cause a denial of service (heap corruption) or gain privileges via a long line in the NSS files database.

From the Ubuntu Security Team

Sumit Bose and Lukáš Slebodník discovered that the Name Service Switch (NSS) implementation in the GNU C Library did not handle long lines in the files databases correctly. A local attacker could use this to cause a denial of service (application crash) or possibly execute arbitrary code.

Status

Package Ubuntu Release Status
eglibc 16.04 LTS xenial Not in release
15.10 wily Not in release
15.04 vivid Not in release
14.04 LTS trusty
Fixed 2.19-0ubuntu6.8
12.04 LTS precise
Not affected
glibc 16.04 LTS xenial
Not affected
15.10 wily
Not affected
15.04 vivid
Not affected
14.04 LTS trusty Not in release
12.04 LTS precise Not in release

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
glibc

References

Related Ubuntu Security Notices (USN)

    • USN-2985-1
    • GNU C Library vulnerabilities
    • 25 May 2016

Other references