CVE-2016-4354: Buffer Overflow
First published: Mon Jun 13 2016(Updated: )
ber-decoder.c in Libksba before 1.3.3 uses an incorrect integer data type, which allows remote attackers to cause a denial of service (crash) via crafted BER data, which leads to a buffer overflow.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Ubuntu Linux | =12.04 | |
| Ubuntu Linux | =14.04 | |
| GnuPG Libksba | <=1.3.2 |
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Reference Links
- http://git.gnupg.org/cgi-bin/gitweb.cgi?p=libksba.git;a=commit;h=aea7b6032865740478ca4b706850a5217f1c3887
- http://www.openwall.com/lists/oss-security/2016/04/29/5
- http://www.openwall.com/lists/oss-security/2016/04/29/8
- http://www.ubuntu.com/usn/USN-2982-1
- https://security.gentoo.org/glsa/201604-04
- http://git.gnupg.org/cgi-bin/gitweb.cgi?p=libksba.git%3Ba=commit%3Bh=aea7b6032865740478ca4b706850a5217f1c3887
Frequently Asked Questions
What is the severity of CVE-2016-4354?
CVE-2016-4354 is classified as a high severity vulnerability due to its potential to cause a denial of service.
How do I fix CVE-2016-4354?
To fix CVE-2016-4354, upgrade to Libksba version 1.3.3 or later.
What software is affected by CVE-2016-4354?
CVE-2016-4354 affects Libksba versions up to and including 1.3.2, and also impacts Ubuntu Linux versions 12.04 and 14.04.
Can CVE-2016-4354 be exploited remotely?
Yes, CVE-2016-4354 can be exploited by remote attackers using crafted BER data.
What is the impact of CVE-2016-4354?
The impact of CVE-2016-4354 is a denial of service condition that can lead to application crashes.
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- agent/software-canonical-lookup-request
- vendor/canonical
- canonical/ubuntu linux
- version/ubuntu linux/12.04
- version/ubuntu linux/14.04
- vendor/gnupg
- canonical/gnupg libksba
- version/gnupg libksba/1.3.2