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CVE-2007-0251

7.8 · HIGH

Integer underflow in the DecodeGRE function in src/decode.c in Snort 2.6.1.2 allows remote attackers to trigger dereferencing of certain memory locations via crafted GRE packets, which may cause co…

Published Jan 16, 2007snortEPSS 2.42%

Overview

CVE-2007-0251 is a high-severity vulnerability affecting snort snort. It was published on January 16, 2007 and has a CVSS 2.0 base score of 7.8 (HIGH).

This vulnerability has a CVSS 2.0 base score of 7.8, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Integer underflow in the DecodeGRE function in src/decode.c in Snort 2.6.1.2 allows remote attackers to trigger dereferencing of certain memory locations via crafted GRE packets, which may cause corruption of log files or writing of sensitive information into log files.

Remediation

Check the references section for vendor advisories and patches from snort. Update snort to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus

References

Reflabs.calyptix.com/advisories/CX-2007-01.txtRefosvdb.org/32095Refosvdb.org/33464Refsecurityreason.com/securityalert/2165Refsecuritytracker.com/id?1017507Refwww.securityfocus.com/archive/1/456598/100/0/threadedRefwww.securityfocus.com/bid/22004Refwww.snort.org/got_source/source.htmlRefwww.vupen.com/english/advisories/2007/0152Reflabs.calyptix.com/advisories/CX-2007-01.txt

How CyberStrike helps

Frequently asked questions

What is CVE-2007-0251?

CVE-2007-0251 is a high-severity vulnerability affecting snort snort. It was published on January 16, 2007 and has a CVSS 2.0 base score of 7.8 (HIGH).

How severe is CVE-2007-0251?

This vulnerability has a CVSS 2.0 base score of 7.8, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2007-0251?

Check the references section for vendor advisories and patches from snort. Update snort to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2007-0251?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2007-0251 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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