CVE-2002-2438
HIGHCVSS 7.5/10EPSS 3.74%
Last modified
CVE-2002-2438 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. TCP firewalls could be circumvented by sending a SYN Packets with other flags (like e.g. RST flag) set, which was not correctly discarded by the Linux TCP stack after firewalling.. EPSS estimates a 3.74% chance of exploitation in the next 30 days.
Description
TCP firewalls could be circumvented by sending a SYN Packets with other flags (like e.g. RST flag) set, which was not correctly discarded by the Linux TCP stack after firewalling.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | < 2.4.20 |
References
- http://www.openwall.com/lists/oss-security/2012/02/03/7Mailing List, Patch, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2012/05/29/8Mailing List, Patch, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2012/05/30/11Exploit, Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2012/05/30/12Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2012/05/30/13Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2012/05/30/2Mailing List, Patch, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2012/05/30/4Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2012/05/30/8Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2012/05/30/9Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2012/05/31/3Mailing List, Patch, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2014/02/12/8Mailing List, Third Party Advisory
- https://www.kb.cert.org/vuls/id/464113Third Party Advisory, US Government Resource
- https://www.openwall.com/lists/oss-security/2012/02/03/7Mailing List, Patch, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2012/02/03/7Mailing List, Patch, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2012/05/29/8Mailing List, Patch, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2012/05/30/11Exploit, Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2012/05/30/12Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2012/05/30/13Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2012/05/30/2Mailing List, Patch, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2012/05/30/4Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2012/05/30/8Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2012/05/30/9Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2012/05/31/3Mailing List, Patch, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2014/02/12/8Mailing List, Third Party Advisory
- https://www.kb.cert.org/vuls/id/464113Third Party Advisory, US Government Resource
- https://www.openwall.com/lists/oss-security/2012/02/03/7Mailing List, Patch, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2002-2438?
TCP firewalls could be circumvented by sending a SYN Packets with other flags (like e.g. RST flag) set, which was not correctly discarded by the Linux TCP stack after firewalling.
How severe is CVE-2002-2438?
CVE-2002-2438 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 3.74% probability of exploitation in the next 30 days.
How do I fix CVE-2002-2438?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2002-2438?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST