Read the docs
TI-2011-02990 Aliases CVE-2011-3380GHSA-57qx-7wcp-85w9

Openswan 2.6.29 through 2.6.35 allows remote attackers to cause a denial of service (NULL…

Priority LOW 27Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · None · Partial
Fix status
Fixed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat.

Summary

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.

Why it matters now

EPSS 0.02273 83rd percentileScored 2026-11-07
Fix Fixed Red Hat: 1 advisory

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 7

CPEVersionsRoleVendor
cpe:2.3:a:xelerance:openswan:2.6.29:*:*:*:*:*:*:*2.6.29VulnerableXelerance
cpe:2.3:a:xelerance:openswan:2.6.30:*:*:*:*:*:*:*2.6.30VulnerableXelerance
cpe:2.3:a:xelerance:openswan:2.6.31:*:*:*:*:*:*:*2.6.31VulnerableXelerance
cpe:2.3:a:xelerance:openswan:2.6.32:*:*:*:*:*:*:*2.6.32VulnerableXelerance
cpe:2.3:a:xelerance:openswan:2.6.33:*:*:*:*:*:*:*2.6.33VulnerableXelerance
cpe:2.3:a:xelerance:openswan:2.6.34:*:*:*:*:*:*:*2.6.34VulnerableXelerance
cpe:2.3:a:xelerance:openswan:2.6.35:*:*:*:*:*:*:*2.6.35VulnerableXelerance
  • cpe:2.3:a:xelerance:openswan:2.6.29:*:*:*:*:*:*:* Versions 2.6.29 Vulnerable ·Xelerance
  • cpe:2.3:a:xelerance:openswan:2.6.30:*:*:*:*:*:*:* Versions 2.6.30 Vulnerable ·Xelerance
  • cpe:2.3:a:xelerance:openswan:2.6.31:*:*:*:*:*:*:* Versions 2.6.31 Vulnerable ·Xelerance
  • cpe:2.3:a:xelerance:openswan:2.6.32:*:*:*:*:*:*:* Versions 2.6.32 Vulnerable ·Xelerance
  • cpe:2.3:a:xelerance:openswan:2.6.33:*:*:*:*:*:*:* Versions 2.6.33 Vulnerable ·Xelerance
  • cpe:2.3:a:xelerance:openswan:2.6.34:*:*:*:*:*:*:* Versions 2.6.34 Vulnerable ·Xelerance
  • cpe:2.3:a:xelerance:openswan:2.6.35:*:*:*:*:*:*:* Versions 2.6.35 Vulnerable ·Xelerance

Remediation

Red Hat 1 advisory

  • RHSA-2011:1356 Released 2011-10-05 · Red Hat rating Moderate
    openswan security update
    • Red Hat Enterprise Linux Server (v. 6) openswan-2.6.32-4.el6_1.2
    • Red Hat Enterprise Linux Server Optional (v. 6) openswan-2.6.32-4.el6_1.2, openswan-doc-2.6.32-4.el6_1.2

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux Server (v. 6)Fixed RHSA-2011:1356
Red Hat Enterprise Linux Server Optional (v. 6)Fixed RHSA-2011:1356
Not affected: 1 product
  • Red Hat Enterprise Linux 5

Timeline

  1. 2026-10-02 Threatist record created from CVE-2011-3380
  2. 2026-10-03 Alias added: GHSA-57qx-7wcp-85w9

References

Patch 1

Advisory 1

  • TI-2005-03466 The Internet Key Exchange version 1 (IKEv1) implementation in Openswan 2 (openswan-2)… CVSS 2.0HIGH 7.8
  • TI-2018-11286 In verify_signed_hash() in lib/liboswkeys/signatures.c in Openswan before 2.6.50.1, the… CVSS 3.0HIGH 7.5
  • TI-2010-03162 Buffer overflow in programs/pluto/xauth.c in the client in Openswan 2.6.26 through 2.6.28… CVSS 2.0MEDIUM 6.5
  • TI-2013-01824 Buffer overflow in the atodn function in Openswan before 2.6.39, when Opportunistic… CVSS 2.0MEDIUM 6.8
  • TI-2010-03156 Buffer overflow in programs/pluto/xauth.c in the client in Openswan 2.6.25 through 2.6.28… CVSS 2.0MEDIUM 6.5
  • TI-2005-00141 Stack-based buffer overflow in the get_internal_addresses function in the pluto… CVSS 2.0HIGH 7.2
See all 15 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences