NULL pointer dereference in nsd (Alpine package)



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2012-2978
CWE-ID CWE-476
Exploitation vector Network
Public exploit N/A
Vulnerable software
 nsd (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: #VU33692

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2012-2978

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 a crafted DNS packet.

Mitigation

Install update from vendor's website.

Vulnerable software versions

nsd (Alpine package): 3.2.8-r0 - 3.2.10-r0

CPE2.3 External links

https://git.alpinelinux.org/aports/commit/?id=2bd656cd09c6c34d9259625d397ff556bb3d89af
https://git.alpinelinux.org/aports/commit/?id=48af883e428d98c04bd9ebaada16da40421a5c8f
https://git.alpinelinux.org/aports/commit/?id=6f29cbd615e111665e81392f1af68e9453e15a8b


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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