Multiple stack-based buffer overflows in the (1) conv_jistoeuc, (2) conv_euctojis, and (3) conv_sjistoeuc functions in codeconv.c in Claws Mail before 3.13.1 allow remote attackers to have unspecified impact via a crafted email, involving Japanese character set conversion.
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.
| Link | Tags |
|---|---|
| http://www.claws-mail.org/news.php | patch vendor advisory |
| https://security.gentoo.org/glsa/201606-11 | issue tracking vendor advisory |
| http://www.openwall.com/lists/oss-security/2015/12/22/2 | mailing list |
| http://lists.opensuse.org/opensuse-updates/2016-01/msg00000.html | vendor advisory |
| http://www.debian.org/security/2016/dsa-3452 | vendor advisory |
| http://www.thewildbeast.co.uk/claws-mail/bugzilla/show_bug.cgi?id=3557 | issue tracking |
| http://git.claws-mail.org/?p=claws.git%3Ba=commit%3Bh=d390fa07f5548f3173dd9cc13b233db5ce934c82 | |
| http://www.openwall.com/lists/oss-security/2015/12/21/10 | mailing list |