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Fencer Intel
medium 5.0

CVE-2010-1674 json

The extended-community parser in bgpd in Quagga before 0.99.18 allows remote attackers to cause a denial of service (NULL pointer dereferen…

published 15y ago modified 4mo ago also EUVD-2010-1694

cvss
5.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
13.4%
EPSS 13.4% chance of exploitation in 30 days, percentile 96%
public exploits
0
none known

Summary

The extended-community parser in bgpd in Quagga before 0.99.18 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a malformed Extended Communities attribute.

Patch / fix

  • quagga RHEL 5 0.98.6-7.el5_8.1
  • quagga-contrib RHEL 5 0.98.6-7.el5_8.1
  • quagga RHEL 6 0.99.15-5.el6_0.2
  • quagga-contrib RHEL 6 0.99.15-5.el6_0.2

red hat advisories RHSA-2012:1258RHSA-2011:0406

  • quagga openSUSE Tumbleweed 1.0.20160315-5.1

opensuse advisories openSUSE-SU-2024:10362-1

Is CVE-2010-1674 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2010-1674 updated cvss 1.8

quagga: DoS (crash) by processing malformed extended community attribute in a route

  • Red Hat Enterprise Linux 4 quagga
    affected: no fix planned “Will not fix”
  • Red Hat Enterprise Linux (v. 5 server) quagga 0.98.6-7.el5_8.1, quagga-contrib 0.98.6-7.el5_8.1 Red Hat Enterprise Linux Desktop (v. 5 client) quagga 0.98.6-7.el5_8.1, quagga-contrib 0.98.6-7.el5_8.1
    fixed: vendor fix RHSA-2012:1258
  • Red Hat Enterprise Linux Server (v. 6) quagga 0.99.15-5.el6_0.2 Red Hat Enterprise Linux Server Optional (v. 6) quagga 0.99.15-5.el6_0.2, quagga-contrib 0.99.15-5.el6_0.2 Red Hat Enterprise Linux Workstation (v. 6) quagga 0.99.15-5.el6_0.2 Red Hat Enterprise Linux Workstation Optional (v. 6) quagga 0.99.15-5.el6_0.2, quagga-contrib 0.99.15-5.el6_0.2
    fixed: vendor fix RHSA-2011:0406
  • Red Hat RHEL Desktop Workstation (v. 5 client) quagga 0.98.6-7.el5_8.1
    fixed: vendor fix RHSA-2012:1258

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

13.43% chance of exploitation in the next 30 days, higher than 96% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.