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 Subscribe |
Quagga Server applications / Other server solutions |
Vendor | quagga.net |
Security Bulletin
This security bulletin contains one low risk vulnerability.
EUVDB-ID: #VU33866
Risk: Low
CVSSv3.1: 3.8 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]
CVE-ID: CVE-2012-1820
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe 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.
MitigationInstall update from vendor's website.
Vulnerable software versionsQuagga: 0.99.20.1
External linkshttp://rhn.redhat.com/errata/RHSA-2012-1259.html
http://secunia.com/advisories/50941
http://www.debian.org/security/2012/dsa-2497
http://www.kb.cert.org/vuls/id/962587
http://www.securityfocus.com/bid/53775
http://www.ubuntu.com/usn/USN-1605-1
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.