Description
src/racoon/handler.c in racoon in ipsec-tools does not remove an "orphaned ph1" (phase 1) handle when it has been initiated remotely, which allows remote attackers to cause a denial of service (resource consumption).
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 5 | ipsec-tools | 0.6.5-9.el5_2.3 | RHSA-2008:0849 |
| RHEL 4 | ipsec-tools | 0.3.3-7.el4_7 | RHSA-2008:0849 |
| RHEL 3 | ipsec-tools | 0.2.5-0.7.rhel3.5 | RHSA-2008:0849 |
Advisories 1
- RHSA-2008:0849 Red Hat Security Advisory: ipsec-tools security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
References
- http://support.apple.com/kb/HT3639
- ADV-2009-1621 vdb-entry
- ipsectools-orphanedph1-dos(44424) vdb-entry
- http://support.apple.com/kb/HT3549
- MDVSA-2008:181 vendor-advisory
- 1020692 vdb-entry
- 35074 third-party-advisory
- ADV-2008-2378 vdb-entry
- 30657 vdb-entry
- 32971 third-party-advisory
- APPLE-SA-2009-06-17-1 vendor-advisory
- APPLE-SA-2009-05-12 vendor-advisory
- ADV-2008-2844 vdb-entry
- GLSA-200812-03 vendor-advisory
- SUSE-SR:2009:004 vendor-advisory
- oval:org.mitre.oval:def:10448 vdb-entry signature
- 31478 third-party-advisory
- 32759 third-party-advisory
- 31624 third-party-advisory
- TA09-133A third-party-advisory
- ADV-2009-1297 vdb-entry
- USN-641-1 vendor-advisory
- [ipsec-tools-devel] 20080811 [PATCH] Track and delete orphaned ph1s mailing-list
- SUSE-SR:2008:025 vendor-advisory
- RHSA-2008:0849 vendor-advisory