Fedora 37 update for git



Published: 2023-11-14
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2023-25652
CWE-ID CWE-59
Exploitation vector Local
Public exploit N/A
Vulnerable software
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Fedora
Operating systems & Components / Operating system

git
Operating systems & Components / Operating system package or component

Vendor Fedoraproject

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Link following

EUVDB-ID: #VU75484

Risk: Low

CVSSv3.1: 2.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-25652

CWE-ID: CWE-59 - Improper Link Resolution Before File Access ('Link Following')

Exploit availability: No

Description

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

The vulnerability exists due to a symlink following issue in "git apply --reject". A local user can create a specially crafted symbolic link to write files outside of the worktree.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

Fedora: 37

git: before 2.42.0-2.fc37

External links

http://bodhi.fedoraproject.org/updates/FEDORA-2023-2c851f43ba


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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