Buffer overflow in dhcp (Alpine package)



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2012-3571
CWE-ID CWE-119
Exploitation vector Local network
Public exploit N/A
Vulnerable software
 dhcp (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) Buffer overflow

EUVDB-ID: #VU32777

Risk: Medium

CVSSv4.0: 4.9 [CVSS:4.0/AV:A/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-2012-3571

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

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

ISC DHCP 4.1.2 through 4.2.4 and 4.1-ESV before 4.1-ESV-R6 allows remote attackers to cause a denial of service (infinite loop and CPU consumption) via a malformed client identifier.

Mitigation

Install update from vendor's website.

Vulnerable software versions

dhcp (Alpine package): 4.2.3_p1-r0 - 4.2.4-r0

CPE2.3 External links

https://git.alpinelinux.org/aports/commit/?id=8b8541dfa15ac87cbe85af2d038d51bd470afee3
https://git.alpinelinux.org/aports/commit/?id=9e86eac9ccecbceef248af531bf9773eca4e70b3
https://git.alpinelinux.org/aports/commit/?id=57e10f486eafd6fb8702fb7fc6786b5f6a585c10
https://git.alpinelinux.org/aports/commit/?id=1a4dbb396e0c9359ae50d03c6fb8acdb3480df2d


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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