CVE-2011-3327

Home/CVE/Heap-based buffer overflow in the ecommunity_ecom2str function in bgp_ecommunity.c in bgpd in Quagga before 0.99.19 allo

CVE

Heap-based buffer overflow in the ecommunity_ecom2str function in bgp_ecommunity.c in bgpd in Quagga before 0.99.19 allo

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.

HIGH · CVSS 7.5 EPSS 0.20398

Schedule remediation

EPSS ≥ 0.10 - elevated exploitation probability
EPSS percentile: top 4% of all CVEs by exploitation likelihood
CVSS base score ≥ 7.0

Sigma rules0 YARA rules0

⬡

Weakness Classification

CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer

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Affected Products & Versions

quagga<= 0.99.18

quaggaall versions

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Scoring & Timeline

7.5

HIGH · CVSS v2 (legacy) · cret@cert.org

View on NVD

This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.

v2 Vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

Published to NVD10 Oct 2011 · 10:55 AM

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Vendor Advisories

rhsaRHSA-2012:1259Low
rhsaRHSA-2012:1258Low
usnUSN-1261-1

🔗

References & Sources

Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.

http://code.quagga.net/?p=quagga.git

http://lists.opensuse.org/opensuse-security-announce/2011-09/msg00027.html

http://lists.opensuse.org/opensuse-security-announce/2011-10/msg00007.html

http://lists.opensuse.org/opensuse-security-announce/2011-10/msg00010.html

http://lists.opensuse.org/opensuse-security-announce/2011-12/msg00009.html

http://rhn.redhat.com/errata/RHSA-2012-1258.html

Show all 16 references

http://rhn.redhat.com/errata/RHSA-2012-1259.html

http://secunia.com/advisories/46139Vendor Advisory

http://secunia.com/advisories/46274

http://secunia.com/advisories/48106

http://security.gentoo.org/glsa/glsa-201202-02.xml

http://www.debian.org/security/2011/dsa-2316

http://www.kb.cert.org/vuls/id/668534US Government Resource

http://www.quagga.net/download/quagga-0.99.19.changelog.txt

https://bugzilla.redhat.com/show_bug.cgi?id=738400

https://www.cert.fi/en/reports/2011/vulnerability539178.html

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