Fedora EPEL 9 update for libgit2, libgit2_1.6, python-pygit2



Risk High
Patch available YES
Number of vulnerabilities 2
CVE-ID CVE-2024-24577
CVE-2024-24575
CWE-ID CWE-122
CWE-835
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Fedora
Operating systems & Components / Operating system

python-pygit2
Operating systems & Components / Operating system package or component

libgit2_1.6
Operating systems & Components / Operating system package or component

libgit2
Operating systems & Components / Operating system package or component

Vendor Fedoraproject

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Heap-based buffer overflow

EUVDB-ID: #VU86201

Risk: High

CVSSv4.0: 7.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2024-24577

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 in git_index_add. A remote attacker can pass specially crafted filename that starts with a "/" character to the application, 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

Install updates from vendor's repository.

Vulnerable software versions

Fedora: 9

python-pygit2: before 1.14.0-2.el9

libgit2_1.6: before 1.6.5-1.el9

libgit2: before 1.7.2-2.el9

CPE2.3 External links

https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2024-e2bbd00d36


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) Infinite loop

EUVDB-ID: #VU86202

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2024-24575

CWE-ID: CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to infinite loop in git_revparse_single within the revparse() function in src/libgit2/revparse.c. A remote attacker can consume all available system resources and cause denial of service conditions.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

Fedora: 9

python-pygit2: before 1.14.0-2.el9

libgit2_1.6: before 1.6.5-1.el9

libgit2: before 1.7.2-2.el9

CPE2.3 External links

https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2024-e2bbd00d36


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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