CVE-2015-2305: Buffer Overflow
First published: Mon Mar 30 2015(Updated: )
Integer overflow in the regcomp implementation in the Henry Spencer BSD regex library (aka rxspencer) alpha3.8.g5 on 32-bit platforms, as used in NetBSD through 6.1.5 and other products, might allow context-dependent attackers to execute arbitrary code via a large regular expression that leads to a heap-based buffer overflow.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| rxspencer project rxspencer | =3.8.g5 | |
| Ubuntu | =10.04 | |
| Ubuntu | =12.04 | |
| Ubuntu | =14.04 | |
| Ubuntu | =14.10 | |
| Ubuntu | =15.04 | |
| Debian | =7.0 | |
| Debian | =8.0 | |
| openSUSE | =13.1 | |
| openSUSE | =13.2 | |
| PHP | >=5.4.0<5.4.39 | |
| PHP | >=5.5.0<5.5.23 | |
| PHP | >=5.6.0<5.6.7 |
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Reference Links
- http://blog.clamav.net/2015/04/clamav-0987-has-been-released.html
- http://lists.apple.com/archives/security-announce/2015/Sep/msg00008.html
- http://lists.opensuse.org/opensuse-security-announce/2015-05/msg00005.html
- http://lists.opensuse.org/opensuse-security-announce/2015-05/msg00026.html
- http://lists.opensuse.org/opensuse-updates/2015-04/msg00002.html
- http://lists.opensuse.org/opensuse-updates/2015-05/msg00024.html
- http://marc.info/?l=bugtraq&m=143403519711434&w=2
- http://openwall.com/lists/oss-security/2015/02/07/14
- http://openwall.com/lists/oss-security/2015/03/11/8
- http://php.net/ChangeLog-5.php
- http://rhn.redhat.com/errata/RHSA-2015-1053.html
- http://rhn.redhat.com/errata/RHSA-2015-1066.html
- http://www.debian.org/security/2015/dsa-3195
- http://www.kb.cert.org/vuls/id/695940
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html
- http://www.securityfocus.com/bid/72611
- http://www.securitytracker.com/id/1031947
- http://www.ubuntu.com/usn/USN-2572-1
- http://www.ubuntu.com/usn/USN-2594-1
- https://guidovranken.wordpress.com/2015/02/04/full-disclosure-heap-overflow-in-h-spencers-regex-library-on-32-bit-systems/
- https://support.apple.com/HT205267
Frequently Asked Questions
What is the severity of CVE-2015-2305?
CVE-2015-2305 is classified as a high severity vulnerability due to its potential to allow arbitrary code execution.
How do I fix CVE-2015-2305?
To fix CVE-2015-2305, you should update the affected software to a version that eliminates the integer overflow issue.
Which systems are affected by CVE-2015-2305?
CVE-2015-2305 affects several systems including certain versions of Ubuntu, Debian, openSUSE, and the rxspencer regex library.
What type of attack does CVE-2015-2305 enable?
CVE-2015-2305 enables context-dependent attackers to execute arbitrary code through a crafted large regular expression.
Is CVE-2015-2305 specific to 32-bit platforms?
Yes, CVE-2015-2305 primarily affects 32-bit platforms due to an integer overflow in the regex implementation.
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