Data Handling in py-dulwich (Alpine package)



Published: 2015-03-24
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2014-9706
CWE-ID CWE-19
Exploitation vector Network
Public exploit N/A
Vulnerable software
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cabextract (Alpine package)
Operating systems & Components / Operating system package or component

py-dulwich (Alpine package)
Operating systems & Components / Operating system package or component

Vendor Alpine Linux Development Team

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Data Handling

EUVDB-ID: #VU33082

Risk: Medium

CVSSv3.1: 6.4 [CVSS:3.1/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2014-9706

CWE-ID: CWE-19 - Data Handling

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to read and manipulate data.

The build_index_from_tree function in index.py in Dulwich before 0.9.9 allows remote attackers to execute arbitrary code via a commit with a directory path starting with .git/, which is not properly handled when checking out a working tree.

Mitigation

Install update from vendor's website.

Vulnerable software versions

cabextract (Alpine package): 1.2-r0 - 1.4-r1

py-dulwich (Alpine package): 0.9.7-r0

External links

http://git.alpinelinux.org/aports/commit/?id=4c6962070a9439d15debfed5d43fcbe62abc5e77


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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