CVE-2015-5180: Null Pointer Dereference
First published: Mon Aug 03 2015(Updated: )
It was discovered that the glibc DNS resolver dereferenced a NULL pointer when processing a specific, but valid resource record type. Acknowledgements: Name: Florian Weimer (Red Hat Product Security)
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Ubuntu Linux | =12.04 | |
| Ubuntu Linux | =14.04 | |
| Ubuntu Linux | =16.04 | |
| GNU C Library | <=2.24 | |
| debian/glibc | 2.31-13+deb11u11 2.31-13+deb11u10 2.36-9+deb12u9 2.36-9+deb12u7 2.40-7 2.41-3 |
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Reference Links
- http://www.securityfocus.com/bid/99324
- http://www.ubuntu.com/usn/USN-3239-1
- http://www.ubuntu.com/usn/USN-3239-2
- https://access.redhat.com/errata/RHSA-2018:0805
- https://bugzilla.redhat.com/show_bug.cgi?id=1249603
- https://security.gentoo.org/glsa/201706-19
- https://sourceware.org/bugzilla/attachment.cgi?id=8492
- https://sourceware.org/bugzilla/show_bug.cgi?id=18784
- https://sourceware.org/git/gitweb.cgi?p=glibc.git%3Bh=fc82b0a2dfe7dbd35671c10510a8da1043d746a5
- https://sourceware.org/ml/libc-alpha/2017-02/msg00079.html
- https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html
- https://launchpad.net/bugs/cve/CVE-2015-5180
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1251403
- https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=fc82b0a2dfe7dbd35671c10510a8da1043d746a5
- https://security-tracker.debian.org/tracker/CVE-2015-5180
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-5180
- https://nvd.nist.gov/vuln/detail/CVE-2015-5180
- https://ubuntu.com/security/CVE-2015-5180
Frequently Asked Questions
What is the severity of CVE-2015-5180?
CVE-2015-5180 is classified as a medium severity vulnerability.
How do I fix CVE-2015-5180?
To fix CVE-2015-5180, update glibc to versions above 2.24, specifically to 2.31-13+deb11u10 or later.
What conditions can lead to exploitation of CVE-2015-5180?
CVE-2015-5180 can be exploited by remote attackers through specially crafted DNS responses.
Which systems are affected by CVE-2015-5180?
CVE-2015-5180 affects Ubuntu Linux versions 12.04, 14.04, 16.04 and GNU C Library (glibc) versions up to 2.24.
What components are involved in CVE-2015-5180?
CVE-2015-5180 involves the res_query function in the libresolv library of glibc.
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