Incorrect default permissions in git (Alpine package)



Published: 2019-12-10
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2019-1353
CWE-ID CWE-276
Exploitation vector Local
Public exploit N/A
Vulnerable software
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git (Alpine package)
Operating systems & Components / Operating system package or component

Vendor Alpine Linux Development Team

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Incorrect default permissions

EUVDB-ID: #VU23555

Risk: Low

CVSSv3.1: 3.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-1353

CWE-ID: CWE-276 - Incorrect Default Permissions

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists to due none of the NTFS protections are active when accessing a working directory on a regular Windows drive. A local user with access to the system can view contents of files and directories or modify them.

Note: This vulnerability occurs when running Git in the Windows Subsystem for Linux (also known as "WSL").

Mitigation

Install update from vendor's website.

Vulnerable software versions

git (Alpine package): 2.14.1-r0 - 2.18.1-r0

git (Alpine package):

External links

http://git.alpinelinux.org/aports/commit/?id=58b4a531b78ab8c0f877521a48ff6c54980277ff
http://git.alpinelinux.org/aports/commit/?id=0b0f6a3391ac467390d24ad01eaf7105da2ed2a3
http://git.alpinelinux.org/aports/commit/?id=6b336edb2a6756f1c25574daf608e230ca75160b
http://git.alpinelinux.org/aports/commit/?id=64bd4efee3d96f4ad333d07b0fabc16320dd2f29
http://git.alpinelinux.org/aports/commit/?id=330dccaf7a87b0e784100ef5e2fa7f99b72c84d9
http://git.alpinelinux.org/aports/commit/?id=2379f03a9ab98d2a3845f360063ae03a5b94b2a7
http://git.alpinelinux.org/aports/commit/?id=c8d39d0ddffc93f57a87b567422cbdbbd707e1f9


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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



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