openswan: IKE invalid key length allows remote unauthenticated user to crash openswan
Published Nov 17, 2011
5.0
MEDIUMCVSS 2.0
EPSS 2.27%
Description
Openswan 2.6.29 through 2.6.35 allows remote attackers to cause a denial of service (NULL pointer dereference and pluto IKE daemon crash) via an ISAKMP message with an invalid KEY_LENGTH attribute, which is not properly handled by the error handling function.
Affected products
No data.
No data.
Red Hat Enterprise Linux 6
openswan-0:2.6.32-4.el6_1.2
Fixed · RHSA-2011:1356
Red Hat Enterprise Linux 5
openswan
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | openswan-0:2.6.32-4.el6_1.2 | Fixed | RHSA-2011:1356 |
| Red Hat Enterprise Linux 5 | openswan | Not affected | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded 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 (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.27% (0.02273) | 82.46th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.41% (0.02406) | 81.86th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.53% (0.00535) | 65.42th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.74% (0.00744) | 81.58th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.74% (0.00744) | 80.30th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.74% (0.00744) | 77.96th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.14% (0.01136) | 59.45th | v2 (v2022.01.01) |
| Oct 18, 2022 | 1.14% (0.01136) | 58.28th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.14% (0.01136) | 56.27th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.14% (0.01136) | 34.23th | v2 (v2022.01.01) |
No CWE recorded.
References (7)
- http://secunia.com/advisories/46306 third-party-advisoryx_refsource_SECUNIA
- http://www.openswan.org/download/CVE-2011-3380/CVE-2011-3380.txt x_refsource_CONFIRMPatch
- http://www.redhat.com/support/errata/RHSA-2011-1356.html vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/security/cve/CVE-2011-3380 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=742065 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2011-3380
- https://www.cve.org/CVERecord?id=CVE-2011-3380
| Link | Providers | Tags |
|---|---|---|
| http://secunia.com/advisories/46306 | third-party-advisoryx_refsource_SECUNIA | |
| http://www.openswan.org/download/CVE-2011-3380/CVE-2011-3380.txt | x_refsource_CONFIRMPatch | |
| http://www.redhat.com/support/errata/RHSA-2011-1356.html | vendor-advisoryx_refsource_REDHAT | |
| https://access.redhat.com/security/cve/CVE-2011-3380 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=742065 | Issue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2011-3380 | ||
| https://www.cve.org/CVERecord?id=CVE-2011-3380 |
Change history (0)
No recorded changes yet.