Bug#720478: kfreebsd-10: CVE-2013-5209: sctp kernel memory disclosure
Package: src:kfreebsd-10
Version: 10.0~svn253832-1
Severity: grave
Tags: security upstream
Control: kfreebsd-10/10.0~svn225709-1
http://security.FreeBSD.org/advisories/FreeBSD-SA-13:10.sctp.asc
> When initializing the SCTP state cookie being sent in INIT-ACK chunks,
> a buffer allocated from the kernel stack is not completely initialized.
> Fragments of kernel memory may be included in SCTP packets and
> transmitted over the network. For each SCTP session, there are two
> separate instances in which a 4-byte fragment may be transmitted.
The commit suggests that one of these leaks may be platform specific,
depending on padding of struct timeval. But the identification[] member
seems to allow for leakage on any platform.
kfreebsd-8 and kfreebsd-9 in wheezy will need the patch from r254338
kfreebsd-9 in jessie/sid will need updating to r254355 or later
kfreebsd-10 in experimental will need updating to r254338 or later
kfreebsd-8 8.1 in oldstable looks to be affected too (likely introduced
in r169378 or earlier). The same patch should be suitable.
-- System Information:
Debian Release: 7.1
APT prefers proposed-updates
APT policy: (500, 'proposed-updates'), (500, 'stable')
Architecture: kfreebsd-amd64 (x86_64)
Kernel: kFreeBSD 9.0-2-amd64-xenhvm
Locale: LANG=en_GB.UTF-8, LC_CTYPE=en_GB.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Versions of packages kfreebsd-image-9.0-2-amd64-xenhvm depends on:
ii devd 9.0-10+deb70.2
ii freebsd-utils 9.0-10+deb70.2
ii kbdcontrol 9.0-10+deb70.2
ii kldutils 9.0-10+deb70.2
kfreebsd-image-9.0-2-amd64-xenhvm recommends no packages.
kfreebsd-image-9.0-2-amd64-xenhvm suggests no packages.
-- no debconf information
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