Bug#712664: kfreebsd-9: CVE-2013-2171: Privilege escalation via mmap

2013-06-21 Thread Steven Chamberlain
On 21/06/13 09:56, Christoph Egger wrote: > Steven Chamberlain writes: >> Please could you do an upload of SVN r4525 to unstable? > > I guess you mean 4523? or some special branch? Actually yes I meant r4523, although the more recent commits didn't change anything in /trunk/kfreebsd-9. Regards,

Bug#712664: kfreebsd-9: CVE-2013-2171: Privilege escalation via mmap

2013-06-21 Thread Christoph Egger
Steven Chamberlain writes: > Please could you do an upload of SVN r4525 to unstable? I guess you mean 4523? or some special branch? Christoph -- To UNSUBSCRIBE, email to debian-bugs-rc-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org

Processed: Re: Bug#712664: Info received (Bug#712664: kfreebsd-9: CVE-2013-2171: Privilege escalation via mmap)

2013-06-20 Thread Debian Bug Tracking System
Processing commands for cont...@bugs.debian.org: > # grrr > notfound 712664 10.0~svn242489-1 Bug #712664 [src:kfreebsd-9] kfreebsd-9: CVE-2013-2171: Privilege escalation via mmap The source 'kfreebsd-9' and version '10.0~svn242489-1' do not appear to match any binary packages No longer marked as

Processed: Re: Bug#712664: Info received (Bug#712664: kfreebsd-9: CVE-2013-2171: Privilege escalation via mmap)

2013-06-20 Thread Debian Bug Tracking System
Processing commands for cont...@bugs.debian.org: > found 712664 10.0~svn242489-1 Bug #712664 [src:kfreebsd-9] kfreebsd-9: CVE-2013-2171: Privilege escalation via mmap The source 'kfreebsd-9' and version '10.0~svn242489-1' do not appear to match any binary packages Marked as found in versions kfr

Processed: Re: Bug#712664: Info received (Bug#712664: kfreebsd-9: CVE-2013-2171: Privilege escalation via mmap)

2013-06-20 Thread Debian Bug Tracking System
Processing commands for cont...@bugs.debian.org: > forwarded 712664 > http://security.freebsd.org/advisories/FreeBSD-SA-13:06.mmap.asc Bug #712664 [src:kfreebsd-9] kfreebsd-9: CVE-2013-2171: Privilege escalation via mmap Set Bug forwarded-to-address to 'http://security.freebsd.org/advisories/Fr

Bug#712664: kfreebsd-9: CVE-2013-2171: Privilege escalation via mmap

2013-06-20 Thread Steven Chamberlain
A suggested workaround on vulnerable systems is: sysctl security.bsd.unprivileged_proc_debug=0 (which works by disabling some functionality of GDB to non-root users) Also the use of jails or securelevel could reduce the potential damage. Regards, -- Steven Chamberlain ste...@pyro.eu.org -- T

Bug#712664: kfreebsd-9: CVE-2013-2171: Privilege escalation via mmap

2013-06-19 Thread Salvatore Bonaccorso
Hi Steven, Cc'ing team@security.d.o On Wed, Jun 19, 2013 at 09:23:49PM +0100, Steven Chamberlain wrote: > Attached are proposed debdiffs for an upload to wheezy-security, based > on the version currently in wheezy. Thanks Steven and Christoph for working on this issue. > The versioning scheme f

Bug#712664: kfreebsd-9: CVE-2013-2171: Privilege escalation via mmap

2013-06-19 Thread Steven Chamberlain
Attached are proposed debdiffs for an upload to wheezy-security, based on the version currently in wheezy. The versioning scheme for the last security upload (with +deb70.$n) looks a bit weird to me (and it has lower value than the next changelog entry). So I also attach a second debdiff, proposi

Bug#712664: kfreebsd-9: CVE-2013-2171: Privilege escalation via mmap

2013-06-19 Thread Steven Chamberlain
Hi Christoph, Please could you do an upload of SVN r4525 to unstable? kfreebsd-9 as shipped with wheezy is indeed vulnerable and I can confirm now that the fix works too. Unfortunately the vulnerability is as simple and as serious as it sounds. A non-privileged user can overwrite any file havin

Bug#712664: kfreebsd-9: CVE-2013-2171: Privilege escalation via mmap

2013-06-18 Thread Christoph Egger
Hi! Steven Chamberlain writes: > This is staged in SVN trunk as r4525, intended for upload to unstable > very soon (and then we should request a DSA for wheezy). I'd like to > know first that the fix is really working and didn't break anything. > All I know yet is that it builds. I can probably

Bug#712664: kfreebsd-9: CVE-2013-2171: Privilege escalation via mmap

2013-06-18 Thread Steven Chamberlain
Control: tags -1 pending This is staged in SVN trunk as r4525, intended for upload to unstable very soon (and then we should request a DSA for wheezy). I'd like to know first that the fix is really working and didn't break anything. All I know yet is that it builds. p.s. I didn't see any SVN com

Processed: Re: Bug#712664: kfreebsd-9: CVE-2013-2171: Privilege escalation via mmap

2013-06-18 Thread Debian Bug Tracking System
Processing control commands: > tags -1 pending Bug #712664 [src:kfreebsd-9] kfreebsd-9: CVE-2013-2171: Privilege escalation via mmap Added tag(s) pending. -- 712664: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=712664 Debian Bug Tracking System Contact ow...@bugs.debian.org with problems

Bug#712664: kfreebsd-9: CVE-2013-2171: Privilege escalation via mmap

2013-06-18 Thread Steven Chamberlain
Source: kfreebsd-9 Version: 9.0-11 Severity: grave Tags: security upstream Control: found -1 kfreebsd-9/9.0~svn223109-0.1 Privilege escalation via mmap: http://security.freebsd.org/advisories/FreeBSD-SA-13:06.mmap.asc This was introduced by r199819 when FreeBSD 9 was the SVN head. As such it aff