Fedora 36 update for git



Risk High
Patch available YES
Number of vulnerabilities 2
CVE-ID CVE-2022-23521
CVE-2022-41903
CWE-ID CWE-190
CWE-122
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Fedora
Operating systems & Components / Operating system

git
Operating systems & Components / Operating system package or component

Vendor Fedoraproject

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Integer overflow

EUVDB-ID: #VU71239

Risk: High

CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2022-23521

CWE-ID: CWE-190 - Integer overflow

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to insufficient validation of user-supplied input when parsing the .gitattributes attributes. A remote attacker can trick the victim into cloning a specially crafted repository and execute arbitrary code on the system.

Mitigation

Upgrade git to version 2.39.1-1.fc36.

Vulnerable software versions

Fedora: 36

git: before 2.39.1-1.fc36

CPE2.3 External links

https://bodhi.fedoraproject.org/updates/FEDORA-2023-746c4aacce


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.

2) Heap-based buffer overflow

EUVDB-ID: #VU71238

Risk: High

CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2022-41903

CWE-ID: CWE-122 - Heap-based Buffer Overflow

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error during git archive invocation. A remote attacker can trick the victim into using the application against a specially crafted archive, trigger a heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Upgrade git to version 2.39.1-1.fc36.

Vulnerable software versions

Fedora: 36

git: before 2.39.1-1.fc36

CPE2.3 External links

https://bodhi.fedoraproject.org/updates/FEDORA-2023-746c4aacce


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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