CVE-2015-5277

Severity: high (CVSS 7.2 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2015-12-17 · updated 2026-06-17
Weakness: CWE-119

Description

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.

Affected products

Canonical Ubuntu Linux: 12.04, 14.04, 15.10
GNU C Library (glibc): through 2.19
RedHat Enterprise Linux Desktop: 7.0
RedHat Enterprise Linux Hpc Node: 7.0
RedHat Enterprise Linux Server: 7.0
RedHat Enterprise Linux Workstation: 7.0

References

http://packetstormsecurity.com/files/154361/Cisco-Device-Hardcoded-Credentials-GNU-glibc-BusyBox.html
http://rhn.redhat.com/errata/RHSA-2015-2172.html
http://seclists.org/fulldisclosure/2019/Sep/7
http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
http://www.securityfocus.com/bid/78092
http://www.securitytracker.com/id/1034196
http://www.ubuntu.com/usn/USN-2985-1
http://www.ubuntu.com/usn/USN-2985-2
https://bugzilla.redhat.com/show_bug.cgi?id=1262914
https://seclists.org/bugtraq/2019/Sep/7
https://security.gentoo.org/glsa/201702-11
https://sourceware.org/bugzilla/show_bug.cgi?id=17079

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