CVE-2011-3327

Description

Heap-based buffer overflow in the ecommunity_ecom2str function in bgp_ecommunity.c in bgpd in Quagga before 0.99.19 allows remote attackers to cause a denial of service (daemon crash) or possibly execute arbitrary code by sending a crafted BGP UPDATE message over IPv4.

Category

7.5
CVSS
Severity: High
CVSS 2.0 •
EPSS 21.55% Top 5%
Vendor Advisory debian.org Vendor Advisory redhat.com Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory gentoo.org Vendor Advisory redhat.com Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory secunia.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.quagga.net/download/quagga-0.99.19.changelog.txt
http://www.kb.cert.org/vuls/id/668534 third party advisory us government resource
http://www.debian.org/security/2011/dsa-2316 vendor advisory
http://rhn.redhat.com/errata/RHSA-2012-1259.html vendor advisory
https://www.cert.fi/en/reports/2011/vulnerability539178.html
http://secunia.com/advisories/46139 third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2011-09/msg00027.html vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2011-10/msg00007.html vendor advisory
http://code.quagga.net/?p=quagga.git%3Ba=commit%3Bh=94431dbc753171b48b5c6806af97fd690813b00a
http://security.gentoo.org/glsa/glsa-201202-02.xml vendor advisory
http://rhn.redhat.com/errata/RHSA-2012-1258.html vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2011-12/msg00009.html vendor advisory
http://secunia.com/advisories/46274 third party advisory
http://secunia.com/advisories/48106 third party advisory
https://bugzilla.redhat.com/show_bug.cgi?id=738400
http://lists.opensuse.org/opensuse-security-announce/2011-10/msg00010.html vendor advisory

Frequently Asked Questions

What is the severity of CVE-2011-3327?
CVE-2011-3327 has been scored as a high severity vulnerability.
How to fix CVE-2011-3327?
To fix CVE-2011-3327, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2011-3327 being actively exploited in the wild?
It is possible that CVE-2011-3327 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~22% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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