subversion: CVE-2020-17525: Remote unauthenticated denial-of-service in Subversion mod_authz_svn

Related Vulnerabilities: CVE-2020-17525  

Debian Bug report logs - #982464
subversion: CVE-2020-17525: Remote unauthenticated denial-of-service in Subversion mod_authz_svn

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Reported by: Salvatore Bonaccorso <carnil@debian.org>

Date: Wed, 10 Feb 2021 14:39:02 UTC

Severity: grave

Tags: security, upstream

Found in versions subversion/1.14.0-3, subversion/1.10.4-1, subversion/1.10.4-1+deb10u1

Fixed in version subversion/1.14.1-1

Done: James McCoy <jamessan@debian.org>

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Report forwarded to debian-bugs-dist@lists.debian.org, carnil@debian.org, team@security.debian.org, James McCoy <jamessan@debian.org>:
Bug#982464; Package src:subversion. (Wed, 10 Feb 2021 14:39:04 GMT) (full text, mbox, link).


Acknowledgement sent to Salvatore Bonaccorso <carnil@debian.org>:
New Bug report received and forwarded. Copy sent to carnil@debian.org, team@security.debian.org, James McCoy <jamessan@debian.org>. (Wed, 10 Feb 2021 14:39:04 GMT) (full text, mbox, link).


Message #5 received at submit@bugs.debian.org (full text, mbox, reply):

From: Salvatore Bonaccorso <carnil@debian.org>
To: Debian Bug Tracking System <submit@bugs.debian.org>
Subject: subversion: CVE-2020-17525: Remote unauthenticated denial-of-service in Subversion mod_authz_svn
Date: Wed, 10 Feb 2021 15:36:11 +0100
Source: subversion
Version: 1.14.0-3
Severity: grave
Tags: security upstream
Justification: user security hole
X-Debbugs-Cc: carnil@debian.org, Debian Security Team <team@security.debian.org>
Control: found -1 1.10.4-1+deb10u1
Control: found -1 1.10.4-1

Hi,

The following vulnerability was published for subversion.

CVE-2020-17525[0]:
| Remote unauthenticated denial-of-service in Subversion mod_authz_svn

If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2020-17525
    https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-17525
[1] https://subversion.apache.org/security/CVE-2020-17525-advisory.txt

Regards,
Salvatore



Marked as found in versions subversion/1.10.4-1+deb10u1. Request was from Salvatore Bonaccorso <carnil@debian.org> to submit@bugs.debian.org. (Wed, 10 Feb 2021 14:39:04 GMT) (full text, mbox, link).


Marked as found in versions subversion/1.10.4-1. Request was from Salvatore Bonaccorso <carnil@debian.org> to submit@bugs.debian.org. (Wed, 10 Feb 2021 14:39:04 GMT) (full text, mbox, link).


Information forwarded to debian-bugs-dist@lists.debian.org:
Bug#982464; Package src:subversion. (Wed, 10 Feb 2021 20:21:03 GMT) (full text, mbox, link).


Acknowledgement sent to James McCoy <jamessan@debian.org>:
Extra info received and forwarded to list. (Wed, 10 Feb 2021 20:21:03 GMT) (full text, mbox, link).


Message #14 received at 982464@bugs.debian.org (full text, mbox, reply):

From: James McCoy <jamessan@debian.org>
To: Salvatore Bonaccorso <carnil@debian.org>, 982464@bugs.debian.org
Subject: Re: Bug#982464: subversion: CVE-2020-17525: Remote unauthenticated denial-of-service in Subversion mod_authz_svn
Date: Wed, 10 Feb 2021 15:20:22 -0500
On Wed, Feb 10, 2021 at 03:36:11PM +0100, Salvatore Bonaccorso wrote:
> The following vulnerability was published for subversion.
> 
> CVE-2020-17525[0]:
> | Remote unauthenticated denial-of-service in Subversion mod_authz_svn

I'll have uploads ready for this tonight to both sid and buster.  I'll
send the debdiff for review before uploading to buster-security.

Cheers,
-- 
James
GPG Key: 4096R/91BF BF4D 6956 BD5D F7B7  2D23 DFE6 91AE 331B A3DB



Information forwarded to debian-bugs-dist@lists.debian.org, James McCoy <jamessan@debian.org>:
Bug#982464; Package src:subversion. (Wed, 10 Feb 2021 20:24:02 GMT) (full text, mbox, link).


Acknowledgement sent to Salvatore Bonaccorso <carnil@debian.org>:
Extra info received and forwarded to list. Copy sent to James McCoy <jamessan@debian.org>. (Wed, 10 Feb 2021 20:24:02 GMT) (full text, mbox, link).


Message #19 received at 982464@bugs.debian.org (full text, mbox, reply):

From: Salvatore Bonaccorso <carnil@debian.org>
To: James McCoy <jamessan@debian.org>, 982464@bugs.debian.org
Cc: Debian Security Team <team@security.debian.org>
Subject: Re: Bug#982464: subversion: CVE-2020-17525: Remote unauthenticated denial-of-service in Subversion mod_authz_svn
Date: Wed, 10 Feb 2021 21:21:54 +0100
Hi James,

On Wed, Feb 10, 2021 at 03:20:22PM -0500, James McCoy wrote:
> On Wed, Feb 10, 2021 at 03:36:11PM +0100, Salvatore Bonaccorso wrote:
> > The following vulnerability was published for subversion.
> > 
> > CVE-2020-17525[0]:
> > | Remote unauthenticated denial-of-service in Subversion mod_authz_svn
> 
> I'll have uploads ready for this tonight to both sid and buster.  I'll
> send the debdiff for review before uploading to buster-security.

Ack, thank you!

Regards,
Salvatore



Information forwarded to debian-bugs-dist@lists.debian.org:
Bug#982464; Package src:subversion. (Thu, 11 Feb 2021 01:51:03 GMT) (full text, mbox, link).


Acknowledgement sent to James McCoy <jamessan@debian.org>:
Extra info received and forwarded to list. (Thu, 11 Feb 2021 01:51:03 GMT) (full text, mbox, link).


Message #24 received at 982464@bugs.debian.org (full text, mbox, reply):

From: James McCoy <jamessan@debian.org>
To: Salvatore Bonaccorso <carnil@debian.org>
Cc: 982464@bugs.debian.org, Debian Security Team <team@security.debian.org>
Subject: Re: Bug#982464: subversion: CVE-2020-17525: Remote unauthenticated denial-of-service in Subversion mod_authz_svn
Date: Wed, 10 Feb 2021 20:49:39 -0500
[Message part 1 (text/plain, inline)]
On Wed, Feb 10, 2021 at 09:21:54PM +0100, Salvatore Bonaccorso wrote:
> Hi James,
> 
> On Wed, Feb 10, 2021 at 03:20:22PM -0500, James McCoy wrote:
> > On Wed, Feb 10, 2021 at 03:36:11PM +0100, Salvatore Bonaccorso wrote:
> > > The following vulnerability was published for subversion.
> > > 
> > > CVE-2020-17525[0]:
> > > | Remote unauthenticated denial-of-service in Subversion mod_authz_svn
> > 
> > I'll have uploads ready for this tonight to both sid and buster.  I'll
> > send the debdiff for review before uploading to buster-security.
> 
> Ack, thank you!

Buster debdiff attached.

Cheers,
-- 
James
GPG Key: 4096R/91BF BF4D 6956 BD5D F7B7  2D23 DFE6 91AE 331B A3DB
[subversion_1.10.4-1+deb10u2.debdiff (text/plain, attachment)]

Reply sent to James McCoy <jamessan@debian.org>:
You have taken responsibility. (Thu, 11 Feb 2021 03:21:06 GMT) (full text, mbox, link).


Notification sent to Salvatore Bonaccorso <carnil@debian.org>:
Bug acknowledged by developer. (Thu, 11 Feb 2021 03:21:06 GMT) (full text, mbox, link).


Message #29 received at 982464-close@bugs.debian.org (full text, mbox, reply):

From: Debian FTP Masters <ftpmaster@ftp-master.debian.org>
To: 982464-close@bugs.debian.org
Subject: Bug#982464: fixed in subversion 1.14.1-1
Date: Thu, 11 Feb 2021 03:18:25 +0000
Source: subversion
Source-Version: 1.14.1-1
Done: James McCoy <jamessan@debian.org>

We believe that the bug you reported is fixed in the latest version of
subversion, which is due to be installed in the Debian FTP archive.

A summary of the changes between this version and the previous one is
attached.

Thank you for reporting the bug, which will now be closed.  If you
have further comments please address them to 982464@bugs.debian.org,
and the maintainer will reopen the bug report if appropriate.

Debian distribution maintenance software
pp.
James McCoy <jamessan@debian.org> (supplier of updated subversion package)

(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing ftpmaster@ftp-master.debian.org)


-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA512

Format: 1.8
Date: Wed, 10 Feb 2021 21:17:14 -0500
Source: subversion
Architecture: source
Version: 1.14.1-1
Distribution: unstable
Urgency: high
Maintainer: James McCoy <jamessan@debian.org>
Changed-By: James McCoy <jamessan@debian.org>
Closes: 982084 982464
Changes:
 subversion (1.14.1-1) unstable; urgency=high
 .
   * Update to new upstream version 1.14.1.
     + Fix FTBFS with OpenJDK 17 (Closes: #982084)
     + Security fix:
       - CVE-2020-17525: Remote unauthenticated denial-of-service in Subversion
         mod_authz_svn  (Closes: #982464)
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 a3ba357a0072e0ced4ab7e3fbce059d179524d17 429692 subversion_1.14.1-1.debian.tar.xz
Checksums-Sha256:
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Files:
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 979fa7480964bd7ebae68558d1de49aa 11534165 vcs optional subversion_1.14.1.orig.tar.gz
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Information forwarded to debian-bugs-dist@lists.debian.org, James McCoy <jamessan@debian.org>:
Bug#982464; Package src:subversion. (Thu, 11 Feb 2021 05:24:05 GMT) (full text, mbox, link).


Acknowledgement sent to Salvatore Bonaccorso <carnil@debian.org>:
Extra info received and forwarded to list. Copy sent to James McCoy <jamessan@debian.org>. (Thu, 11 Feb 2021 05:24:05 GMT) (full text, mbox, link).


Message #34 received at 982464@bugs.debian.org (full text, mbox, reply):

From: Salvatore Bonaccorso <carnil@debian.org>
To: James McCoy <jamessan@debian.org>
Cc: 982464@bugs.debian.org, Debian Security Team <team@security.debian.org>
Subject: Re: Bug#982464: subversion: CVE-2020-17525: Remote unauthenticated denial-of-service in Subversion mod_authz_svn
Date: Thu, 11 Feb 2021 06:21:08 +0100
Hi James,

On Wed, Feb 10, 2021 at 08:49:39PM -0500, James McCoy wrote:
> On Wed, Feb 10, 2021 at 09:21:54PM +0100, Salvatore Bonaccorso wrote:
> > Hi James,
> > 
> > On Wed, Feb 10, 2021 at 03:20:22PM -0500, James McCoy wrote:
> > > On Wed, Feb 10, 2021 at 03:36:11PM +0100, Salvatore Bonaccorso wrote:
> > > > The following vulnerability was published for subversion.
> > > > 
> > > > CVE-2020-17525[0]:
> > > > | Remote unauthenticated denial-of-service in Subversion mod_authz_svn
> > > 
> > > I'll have uploads ready for this tonight to both sid and buster.  I'll
> > > send the debdiff for review before uploading to buster-security.
> > 
> > Ack, thank you!
> 
> Buster debdiff attached.

Looks good to me. Did you got an explicit chance to test the issue
triggering setup? In any case please feel free to upload to
security-master.

Regards,
Salvatore



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