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Test ID:1.3.6.1.4.1.25623.1.0.703932
Category:Debian Local Security Checks
Title:Debian: Security Advisory (DSA-3932-1)
Summary:The remote host is missing an update for the Debian 'subversion' package(s) announced via the DSA-3932-1 advisory.
Description:Summary:
The remote host is missing an update for the Debian 'subversion' package(s) announced via the DSA-3932-1 advisory.

Vulnerability Insight:
Several problems were discovered in Subversion, a centralised version control system.

CVE-2016-8734

(jessie only)

Subversion's mod_dontdothat server module and Subversion clients using http(s):// were vulnerable to a denial-of-service attack caused by exponential XML entity expansion.

CVE-2017-9800

Joern Schneeweisz discovered that Subversion did not correctly handle maliciously constructed svn+ssh:// URLs. This allowed an attacker to run an arbitrary shell command, for instance via svn:externals properties or when using svnsync sync.

For the oldstable distribution (jessie), these problems have been fixed in version 1.8.10-6+deb8u5.

For the stable distribution (stretch), these problems have been fixed in version 1.9.5-1+deb9u1.

We recommend that you upgrade your subversion packages.

Affected Software/OS:
'subversion' package(s) on Debian 8, Debian 9.

Solution:
Please install the updated package(s).

CVSS Score:
7.5

CVSS Vector:
AV:N/AC:L/Au:N/C:P/I:P/A:P

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2017-9800
BugTraq ID: 100259
http://www.securityfocus.com/bid/100259
Bugtraq: 20170810 [SECURITY][ANNOUNCE] Apache Subversion 1.9.7 released (Google Search)
http://www.securityfocus.com/archive/1/540999/100/0/threaded
https://confluence.atlassian.com/sourcetreekb/sourcetree-security-advisory-2017-08-11-933099891.html
https://subversion.apache.org/security/CVE-2017-9800-advisory.txt
https://support.apple.com/HT208103
Debian Security Information: DSA-3932 (Google Search)
http://www.debian.org/security/2017/dsa-3932
https://security.gentoo.org/glsa/201709-09
http://packetstormsecurity.com/files/143722/Apache-Subversion-Arbitrary-Code-Execution.html
https://www.oracle.com/security-alerts/cpuoct2020.html
https://lists.apache.org/thread.html/cb607dc2f13bab9769147759ddccb14a4f9d8e5cdcad5e99c0d03b63@%3Cannounce.apache.org%3E
https://lists.apache.org/thread.html/d8cf53affd700dfce90bad4968fb8b1dfb69cf7c443052c70398ff76@%3Ccommits.subversion.apache.org%3E
RedHat Security Advisories: RHSA-2017:2480
https://access.redhat.com/errata/RHSA-2017:2480
http://www.securitytracker.com/id/1039127
CopyrightCopyright (C) 2017 Greenbone AG

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