[arch-security] [ASA-201606-6] subversion: multiple issues
anthraxx at archlinux.org
Wed Jun 8 10:50:44 UTC 2016
Arch Linux Security Advisory ASA-201606-6
Date : 2016-06-08
CVE-ID : CVE-2016-2167 CVE-2016-2168
Package : subversion
Type : multiple issues
Remote : Yes
Link : https://wiki.archlinux.org/index.php/CVE
The package subversion before version 1.9.4-1 is vulnerable to
authentication restriction bypass and denial of service.
Upgrade to 1.9.4-1.
# pacman -Syu "subversion>=1.9.4-1"
The problems have been fixed upstream in version 1.9.4.
- CVE-2016-2167 (authentication restriction bypass)
The canonicalize_username function in svnserve/cyrus_auth.c, when Cyrus
SASL authentication is used, allows remote attackers to authenticate
and bypass intended access restrictions via a realm string that is a
prefix of an expected repository realm string.
- CVE-2016-2168 (denial of service)
The req_check_access function in the mod_authz_svn module in the httpd
server allows remote authenticated users to cause a denial of service
(NULL pointer dereference and crash) via a crafted header in a (1) MOVE
or (2) COPY request, involving an authorization check.
A remote attacker is able to bypass authentication restrictions under
certain circumstances by authenticating to an unexpected repository
realm or perform a denial of service attack via a request with a
specially crafted header.
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