Input validation error in GNU Glibc



| Updated: 2020-08-10
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2014-5119
CWE-ID CWE-20
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Glibc
Universal components / Libraries / Libraries used by multiple products

Vendor GNU

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Input validation error

EUVDB-ID: #VU41360

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2014-5119

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to read and manipulate data.

Off-by-one error in the __gconv_translit_find function in gconv_trans.c in GNU C Library (aka glibc) allows context-dependent attackers to cause a denial of service (crash) or execute arbitrary code via vectors related to the CHARSET environment variable and gconv transliteration modules.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Glibc: 2.0 - 2.1.97

CPE2.3 External links

https://googleprojectzero.blogspot.com/2014/08/the-poisoned-nul-byte-2014-edition.html
https://linux.oracle.com/errata/ELSA-2015-0092.html
https://lists.opensuse.org/opensuse-security-announce/2014-09/msg00017.html
https://rhn.redhat.com/errata/RHSA-2014-1118.html
https://seclists.org/fulldisclosure/2014/Aug/69
https://secunia.com/advisories/60345
https://secunia.com/advisories/60358
https://secunia.com/advisories/60441
https://secunia.com/advisories/61074
https://secunia.com/advisories/61093
https://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2014-5119
https://www.debian.org/security/2014/dsa-3012
https://www.mandriva.com/security/advisories?name=MDVSA-2014:175
https://www.openwall.com/lists/oss-security/2014/07/14/1
https://www.openwall.com/lists/oss-security/2014/08/13/5
https://www.securityfocus.com/bid/68983
https://www.securityfocus.com/bid/69738
https://www-01.ibm.com/support/docview.wss?uid=swg21685604
https://code.google.com/p/google-security-research/issues/detail?id=96
https://rhn.redhat.com/errata/RHSA-2014-1110.html
https://security.gentoo.org/glsa/201602-02
https://sourceware.org/bugzilla/show_bug.cgi?id=17187


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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