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Test ID:1.3.6.1.4.1.25623.1.0.703963
Category:Debian Local Security Checks
Title:Debian: Security Advisory (DSA-3963-1)
Summary:The remote host is missing an update for the Debian 'mercurial' package(s) announced via the DSA-3963-1 advisory.
Description:Summary:
The remote host is missing an update for the Debian 'mercurial' package(s) announced via the DSA-3963-1 advisory.

Vulnerability Insight:
Several issues were discovered in Mercurial, a distributed revision control system.

CVE-2017-9462 (fixed in stretch only) Jonathan Claudius of Mozilla discovered that repositories served over stdio could be tricked into granting authorized users access to the Python debugger.

CVE-2017-1000115

Mercurial's symlink auditing was incomplete, and could be abused to write files outside the repository.

CVE-2017-1000116

Joern Schneeweisz discovered that Mercurial did not correctly handle maliciously constructed ssh:// URLs. This allowed an attacker to run an arbitrary shell command.

For the oldstable distribution (jessie), these problems have been fixed in version 3.1.2-2+deb8u4.

For the stable distribution (stretch), these problems have been fixed in version 4.0-1+deb9u1.

We recommend that you upgrade your mercurial packages.

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

Solution:
Please install the updated package(s).

CVSS Score:
10.0

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

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2017-1000115
BugTraq ID: 100290
http://www.securityfocus.com/bid/100290
Debian Security Information: DSA-3963 (Google Search)
http://www.debian.org/security/2017/dsa-3963
https://security.gentoo.org/glsa/201709-18
RedHat Security Advisories: RHSA-2017:2489
https://access.redhat.com/errata/RHSA-2017:2489
Common Vulnerability Exposure (CVE) ID: CVE-2017-1000116
CopyrightCopyright (C) 2017 Greenbone AG

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