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Re: CVE Request: lighttpd multiple issues (setuid/... unchecked return value, FAM: read after free)


From: Kurt Seifried <kseifried () redhat com>
Date: Tue, 12 Nov 2013 11:13:14 -0700

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On 11/12/2013 09:14 AM, Stefan Bühler wrote:
Hi,

I'd like to request CVE ids for the following issues in lighttpd:

1. setuid/setgid/setgroups return values are not checked

If setuid() fails for any reason (RLIMIT_NPROC) lighttpd runs as
root.

http://download.lighttpd.net/lighttpd/security/lighttpd_sa_2013_02.txt

Please

use CVE-2013-4559 for this issue.

2. If FAMMonitorDirectory fails, lighttpd reads a value from
already free()d memory.

http://download.lighttpd.net/lighttpd/security/lighttpd_sa_2013_03.txt

Please

use CVE-2013-4560 for this issue.

Both issues were found with clang static analyzer, so I assume the
bad guys already know these.

regards, Stefan


- -- 
Kurt Seifried Red Hat Security Response Team (SRT)
PGP: 0x5E267993 A90B F995 7350 148F 66BF 7554 160D 4553 5E26 7993
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