Amazon Linux AMI update for quagga



Published: 2012-04-30
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2012-0250
CWE-ID CWE-119
Exploitation vector Local network
Public exploit N/A
Vulnerable software
Subscribe 		Amazon Linux AMI
Operating systems & Components / Operating system

Vendor Amazon Web Services

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Buffer overflow

EUVDB-ID: #VU44160

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-2012-0250

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

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

Buffer overflow in the OSPFv2 implementation in ospfd in Quagga before 0.99.20.1 allows remote attackers to cause a denial of service (daemon crash) via a Link State Update (aka LS Update) packet containing a network-LSA link-state advertisement for which the data-structure length is smaller than the value in the Length header field.

Mitigation

Update the affected packages:

i686:
    quagga-contrib-0.99.20.1-1.4.amzn1.i686
    quagga-0.99.20.1-1.4.amzn1.i686
    quagga-devel-0.99.20.1-1.4.amzn1.i686
    quagga-debuginfo-0.99.20.1-1.4.amzn1.i686

src:
    quagga-0.99.20.1-1.4.amzn1.src

x86_64:
    quagga-contrib-0.99.20.1-1.4.amzn1.x86_64
    quagga-devel-0.99.20.1-1.4.amzn1.x86_64
    quagga-0.99.20.1-1.4.amzn1.x86_64
    quagga-debuginfo-0.99.20.1-1.4.amzn1.x86_64

Vulnerable software versions

Amazon Linux AMI: All versions

CPE2.3 External links

http://alas.aws.amazon.com/ALAS-2012-70.html


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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