Input validation error in quagga (Alpine package)



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2012-1820
CWE-ID CWE-20
Exploitation vector Local network
Public exploit N/A
Vulnerable software
 quagga (Alpine package)
Operating systems & Components / Operating system package or component

Vendor Alpine Linux Development Team

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Input validation error

EUVDB-ID: #VU33866

Risk: Low

CVSSv4.0: 1.3 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2012-1820

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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

The bgp_capability_orf function in bgpd in Quagga 0.99.20.1 and earlier allows remote attackers to cause a denial of service (assertion failure and daemon exit) by leveraging a BGP peering relationship and sending a malformed Outbound Route Filtering (ORF) capability TLV in an OPEN message.

Mitigation

Install update from vendor's website.

Vulnerable software versions

quagga (Alpine package): 0.99.20.1-r0

CPE2.3 External links

https://git.alpinelinux.org/aports/commit/?id=f190c78b47866318407b91618adb341d02468e1c
https://git.alpinelinux.org/aports/commit/?id=6f372d09f35b431b423f929da01f6240b29da3fc
https://git.alpinelinux.org/aports/commit/?id=7c13136e9c28506f29172b55b88f58146548e4d0
https://git.alpinelinux.org/aports/commit/?id=f9f3c2397c005d343f8d3b71cc2d763f4ddb37be


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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