CVE-2015-3308: Double Free
First published: Wed Sep 02 2015(Updated: )
Double free vulnerability in lib/x509/x509_ext.c in GnuTLS before 3.3.14 allows remote attackers to cause a denial of service or possibly have unspecified other impact via a crafted CRL distribution point.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| GnuTLS | <=3.3.13 | |
| Ubuntu | =15.04 |
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Reference Links
- http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155101.html
- http://www.gnutls.org/security.html#GNUTLS-SA-2015-4
- http://www.openwall.com/lists/oss-security/2015/04/15/6
- http://www.openwall.com/lists/oss-security/2015/04/16/6
- http://www.securityfocus.com/bid/74188
- http://www.securitytracker.com/id/1033774
- http://www.ubuntu.com/usn/USN-2727-1
- https://gitlab.com/gnutls/gnutls/commit/053ae65403216acdb0a4e78b25ad66ee9f444f02
- https://gitlab.com/gnutls/gnutls/commit/d6972be33264ecc49a86cd0958209cd7363af1e9
- https://security.gentoo.org/glsa/201506-03
Frequently Asked Questions
What is the severity of CVE-2015-3308?
CVE-2015-3308 has a medium severity level due to the potential for denial of service and possible unspecified impacts.
How do I fix CVE-2015-3308?
To fix CVE-2015-3308, upgrade GnuTLS to version 3.3.14 or later.
Which versions of GnuTLS are affected by CVE-2015-3308?
CVE-2015-3308 affects all versions of GnuTLS prior to 3.3.14.
What can an attacker do with CVE-2015-3308?
An attacker can exploit CVE-2015-3308 to cause a denial of service by creating a crafted CRL distribution point.
Is CVE-2015-3308 present in Ubuntu 15.04?
Yes, CVE-2015-3308 is present in Ubuntu 15.04 as it includes an affected version of GnuTLS.
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