CVE-2013-4332: Integer Overflow
First published: Wed Oct 09 2013(Updated: )
Multiple integer overflows in malloc/malloc.c in the GNU C Library (aka glibc or libc6) 2.18 and earlier allow context-dependent attackers to cause a denial of service (heap corruption) via a large value to the (1) pvalloc, (2) valloc, (3) posix_memalign, (4) memalign, or (5) aligned_alloc functions.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| GNU C Library | <=2.18 | |
| GNU C Library | =2.0 | |
| GNU C Library | =2.0.1 | |
| GNU C Library | =2.0.2 | |
| GNU C Library | =2.0.3 | |
| GNU C Library | =2.0.4 | |
| GNU C Library | =2.0.5 | |
| GNU C Library | =2.0.6 | |
| GNU C Library | =2.1 | |
| GNU C Library | =2.1.1 | |
| GNU C Library | =2.1.1.6 | |
| GNU C Library | =2.1.2 | |
| GNU C Library | =2.1.3 | |
| GNU C Library | =2.1.9 | |
| GNU C Library | =2.10.1 | |
| GNU C Library | =2.11 | |
| GNU C Library | =2.11.1 | |
| GNU C Library | =2.11.2 | |
| GNU C Library | =2.11.3 | |
| GNU C Library | =2.12.1 | |
| GNU C Library | =2.12.2 | |
| GNU C Library | =2.13 | |
| GNU C Library | =2.14 | |
| GNU C Library | =2.14.1 | |
| GNU C Library | =2.15 | |
| GNU C Library | =2.16 | |
| GNU C Library | =2.17 | |
| Red Hat Enterprise Linux | =5 |
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Reference Links
- http://rhn.redhat.com/errata/RHSA-2013-1411.html
- http://rhn.redhat.com/errata/RHSA-2013-1605.html
- http://secunia.com/advisories/55113
- http://www.mandriva.com/security/advisories?name=MDVSA-2013:283
- http://www.mandriva.com/security/advisories?name=MDVSA-2013:284
- http://www.openwall.com/lists/oss-security/2013/09/12/6
- http://www.securityfocus.com/bid/62324
- http://www.ubuntu.com/usn/USN-1991-1
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2013-4332
- https://security.gentoo.org/glsa/201503-04
- https://sourceware.org/bugzilla/show_bug.cgi?id=15855
- https://sourceware.org/bugzilla/show_bug.cgi?id=15856
- https://sourceware.org/bugzilla/show_bug.cgi?id=15857
Frequently Asked Questions
What is the severity of CVE-2013-4332?
CVE-2013-4332 has a high severity rating due to its potential for causing denial of service via heap corruption.
How do I fix CVE-2013-4332?
To fix CVE-2013-4332, update the GNU C Library (glibc) to version 2.19 or later.
What are the affected versions for CVE-2013-4332?
CVE-2013-4332 affects GNU C Library versions up to 2.18, including several earlier versions.
What types of vulnerabilities does CVE-2013-4332 exploit?
CVE-2013-4332 exploits integer overflow vulnerabilities in memory allocation functions including pvalloc and posix_memalign.
Who can be affected by CVE-2013-4332?
Context-dependent attackers can leverage CVE-2013-4332 to cause denial of service in applications using the affected versions of glibc.
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- version/gnu c library/2.11.2
- version/gnu c library/2.11.3
- version/gnu c library/2.12.1
- version/gnu c library/2.12.2
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