(bgpd): DoS (crash) while processing certain BGP update AS path messages
Published Sep 10, 2010
5.0
MEDIUMCVSS 2.0
EPSS 3.38%
Description
bgpd in Quagga before 0.99.17 does not properly parse AS paths, which allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via an unknown AS type in an AS path attribute in a BGP UPDATE message.
Affected products
No data.
- ≤ 0.99.16
- 0.95
- 0.96
- 0.96.1
- 0.96.2
- 0.96.3
- 0.96.4
- 0.96.5
- 0.97.0
- 0.97.1
- 0.97.2
- 0.97.3
- 0.97.4
- 0.97.5
- 0.98.0
- 0.98.1
- 0.98.2
- 0.98.3
- 0.98.4
- 0.98.5
- 0.98.6
- 0.99.1
- 0.99.2
- 0.99.3
- 0.99.4
- 0.99.5
- 0.99.6
- 0.99.7
- 0.99.8
- 0.99.9
- 0.99.10
- 0.99.11
- 0.99.12
- 0.99.13
- 0.99.14
- 0.99.15
No data.
Red Hat Enterprise Linux 6
quagga-0:0.99.15-5.el6_0.1
Fixed · RHSA-2010:0945
Red Hat Enterprise Linux 4
quagga
Not affected
Red Hat Enterprise Linux 5
quagga
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | quagga-0:0.99.15-5.el6_0.1 | Fixed | RHSA-2010:0945 |
| Red Hat Enterprise Linux 4 | quagga | Not affected | n/a |
| Red Hat Enterprise Linux 5 | quagga | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
Not vulnerable. This issue did not affect the versions of quagga package as shipped with Red Hat Enterprise Linux 3, 4, or 5, as these versions do not support 4 byte AS numbers (AS4 support) yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:N/I:N/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.38% (0.03377) | 88.37th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.38% (0.03377) | 87.17th | v5 (v2026.06.15) |
| Mar 30, 2025 | 4.64% (0.04638) | 88.28th | v4 (v2025.03.14) |
| Mar 29, 2025 | 6.85% (0.06848) | 85.23th | v4 (v2025.03.14) |
| Mar 17, 2025 | 4.64% (0.04638) | 88.56th | v4 (v2025.03.14) |
| Dec 12, 2024 | 18.19% (0.18190) | 96.37th | v3 (v2023.03.01) |
| Mar 7, 2023 | 18.19% (0.18190) | 95.32th | v3 (v2023.03.01) |
| Mar 6, 2023 | 4.36% (0.04358) | 88.02th | v2 (v2022.01.01) |
| Feb 13, 2023 | 4.36% (0.04358) | 87.63th | v2 (v2022.01.01) |
| Feb 3, 2023 | 2.69% (0.02686) | 82.44th | v2 (v2022.01.01) |
| Apr 1, 2022 | 4.36% (0.04358) | 86.83th | v2 (v2022.01.01) |
| Feb 4, 2022 | 4.36% (0.04358) | 70.59th | v2 (v2022.01.01) |
No CWE recorded.
References (25)
- http://code.quagga.net/?p=quagga.git%3Ba=commit%3Bh=cddb8112b80fa9867156c637d63e6e79eeac67bb x_refsource_CONFIRM
- http://lists.opensuse.org/opensuse-security-announce/2010-11/msg00006.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2011-12/msg00009.html vendor-advisoryx_refsource_SUSE
- http://secunia.com/advisories/41038 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/41238 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/42397 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/42446 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/42498 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/48106 third-party-advisoryx_refsource_SECUNIA
- http://security.gentoo.org/glsa/glsa-201202-02.xml vendor-advisoryx_refsource_GENTOO
- http://www.debian.org/security/2010/dsa-2104 vendor-advisoryx_refsource_DEBIAN
- http://www.mandriva.com/security/advisories?name=MDVSA-2010:174 vendor-advisoryx_refsource_MANDRIVA
- http://www.openwall.com/lists/oss-security/2010/08/24/3 mailing-listx_refsource_MLIST
- http://www.openwall.com/lists/oss-security/2010/08/25/4 mailing-listx_refsource_MLIST
- http://www.quagga.net/news2.php?y=2010&m=8&d=19 x_refsource_CONFIRM
- http://www.redhat.com/support/errata/RHSA-2010-0945.html vendor-advisoryx_refsource_REDHAT
- http://www.securityfocus.com/bid/42642 vdb-entryx_refsource_BID
- http://www.ubuntu.com/usn/USN-1027-1 vendor-advisoryx_refsource_UBUNTU
- http://www.vupen.com/english/advisories/2010/2304 vdb-entryx_refsource_VUPENVendor Advisory
- http://www.vupen.com/english/advisories/2010/3097 vdb-entryx_refsource_VUPENVendor Advisory
- http://www.vupen.com/english/advisories/2010/3124 vdb-entryx_refsource_VUPENVendor Advisory
- https://access.redhat.com/security/cve/CVE-2010-2949 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=626795 x_refsource_CONFIRMIssue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2010-2949
- https://www.cve.org/CVERecord?id=CVE-2010-2949
Change history (0)
No recorded changes yet.