Debian LTS Advisory ([SECURITY] [DLA 1495-1] git-annex security update)

Published: 2018-09-05 22:00:00
CVE Author: NIST National Vulnerability Database

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

Solution Type:
Vendor Patch

Detection Type:
Linux Distribution Package

Affected Versions:
git-annex on Debian Linux

Recommendations:
For Debian 8 'Jessie', these problems have been fixed in version 5.20141125+oops-1+deb8u2. We recommend that you upgrade your git-annex Linux Distribution Packages.

Summary:
The git-annex Linux Distribution Package was found to have multiple vulnerabilities when operating on untrusted data that could lead to arbitrary command execution and encrypted data exfiltration. CVE-2017-12976 git-annex before 6.20170818 allows remote attackers to execute arbitrary commands via an ssh URL with an initial dash character in the hostname, as demonstrated by an ssh://-eProxyCommand= URL, a related issue to CVE-2017-9800, CVE-2017-12836, CVE-2017-1000116, and CVE-2017-1000117. CVE-2018-10857 git-annex is vulnerable to a private data exposure and exfiltration attack. It could expose the content of files located outside the git-annex repository, or content from a private web server on localhost or the LAN. CVE-2018-10859 git-annex is vulnerable to an Information Exposure when decrypting files. A malicious server for a special remote could trick git-annex into decrypting a file that was encrypted to the user's gpg key. This attack could be used to expose encrypted data that was never stored in git-annex

Detection Method:
This check tests the installed software version using the apt Linux Distribution Package manager.

NIST (National Institute of Standards and Technology) NVD (National Vulnerability Database)

https://nvd.nist.gov/vuln/detail/CVE-2017-1000116
https://nvd.nist.gov/vuln/detail/CVE-2017-1000117
https://nvd.nist.gov/vuln/detail/CVE-2017-12836
https://nvd.nist.gov/vuln/detail/CVE-2017-12976
https://nvd.nist.gov/vuln/detail/CVE-2017-9800
https://nvd.nist.gov/vuln/detail/CVE-2018-10857
https://nvd.nist.gov/vuln/detail/CVE-2018-10859

References:

https://lists.debian.org/debian-lts-announce/2018/09/msg00004.html

Severity
High
CVSS Score
10.0
Published
2018-09-05
Modified
2019-05-14
Category
Debian Local Security Checks

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