Buffer overflow in asterisk (Alpine package)



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2012-5976
CWE-ID CWE-119
Exploitation vector Network
Public exploit N/A
Vulnerable software
 asterisk (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: #VU32727

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-2012-5976

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to perform service disruption.

Multiple stack consumption vulnerabilities in Asterisk Open Source 1.8.x before 1.8.19.1, 10.x before 10.11.1, and 11.x before 11.1.2; Certified Asterisk 1.8.11 before 1.8.11-cert10; and Asterisk Digiumphones 10.x-digiumphones before 10.11.1-digiumphones allow remote attackers to cause a denial of service (daemon crash) via TCP data using the (1) SIP, (2) HTTP, or (3) XMPP protocol.

Mitigation

Install update from vendor's website.

Vulnerable software versions

asterisk (Alpine package): 1.8.11.0-r0 - 1.8.15.1-r0

CPE2.3 External links

https://git.alpinelinux.org/aports/commit/?id=57891484d139952b27f898bb87e79a2ea73261bb
https://git.alpinelinux.org/aports/commit/?id=fc7abae786417ca037a0cf24018000656d27aa74
https://git.alpinelinux.org/aports/commit/?id=16c554ea5b34956bc93c8f1273bc7da5d25584e6


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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