NULL pointer dereference in libgit2-0.27 (Alpine package)



| Updated: 2023-01-22
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2016-10129
CWE-ID CWE-476
Exploitation vector Network
Public exploit N/A
Vulnerable software
 libgit2-0.27 (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) NULL pointer dereference

EUVDB-ID: #VU32001

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-2016-10129

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

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

The vulnerability exists due to a NULL pointer dereference error. A remote attacker can trigger denial of service conditions via an empty packet line.

Mitigation

Install update from vendor's website.

Vulnerable software versions

libgit2-0.27 (Alpine package): 0.27.8-r0

CPE2.3 External links

https://git.alpinelinux.org/aports/commit/?id=c8d39d0ddffc93f57a87b567422cbdbbd707e1f9
https://git.alpinelinux.org/aports/commit/?id=5f77150ab6ff54d6897006bf52ae9685ed41d884
https://git.alpinelinux.org/aports/commit/?id=97bfdb9ab9ae37dab1ee2cfc1c7fa1001fce2858
https://git.alpinelinux.org/aports/commit/?id=b330e4c76dcf128b04ce82f0852cafd4e14a6300
https://git.alpinelinux.org/aports/commit/?id=60e6b42c26c116a5810745d0da6792f3f8fe1d5f
https://git.alpinelinux.org/aports/commit/?id=322e4dec713220f3d26b24753df9fdb5d389928e


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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