CVE-2013-0242: Buffer Overflow
First published: Fri Feb 08 2013(Updated: )
Buffer overflow in the extend_buffers function in the regular expression matcher (posix/regexec.c) in glibc, possibly 2.17 and earlier, allows context-dependent attackers to cause a denial of service (memory corruption and crash) via crafted multibyte characters.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| GNU C Library | =2.17 |
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Reference Links
- http://osvdb.org/89747
- http://rhn.redhat.com/errata/RHSA-2013-0769.html
- http://rhn.redhat.com/errata/RHSA-2013-1605.html
- http://secunia.com/advisories/51951
- http://secunia.com/advisories/55113
- http://sourceware.org/bugzilla/show_bug.cgi?id=15078
- http://sourceware.org/ml/libc-alpha/2013-01/msg00967.html
- http://www.mandriva.com/security/advisories?name=MDVSA-2013:163
- http://www.openwall.com/lists/oss-security/2013/01/30/5
- http://www.securityfocus.com/bid/57638
- http://www.securitytracker.com/id/1028063
- http://www.ubuntu.com/usn/USN-1991-1
- http://www.vmware.com/security/advisories/VMSA-2014-0008.html
- https://exchange.xforce.ibmcloud.com/vulnerabilities/81707
- https://security.gentoo.org/glsa/201503-04
Frequently Asked Questions
What is the severity of CVE-2013-0242?
CVE-2013-0242 has a high severity rating as it can lead to denial of service through memory corruption and application crashes.
How do I fix CVE-2013-0242?
To fix CVE-2013-0242, update GLIBC to a version later than 2.17 that has addressed this vulnerability.
What systems are affected by CVE-2013-0242?
CVE-2013-0242 primarily affects GNU C Library versions 2.17 and earlier.
What is the impact of CVE-2013-0242?
The impact of CVE-2013-0242 includes potential denial of service due to application crashes when processing crafted multibyte characters.
Can CVE-2013-0242 be exploited remotely?
Yes, CVE-2013-0242 can be exploited remotely through crafted input by attackers, allowing for denial of service.
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