CVE-2002-2253
10.0 · HIGHMultiple buffer overflows in Cyrus Sieve / libSieve 2.1.2 and earlier allow remote attackers to execute arbitrary code via (1) a long header name, (2) a long IMAP flag, or (3) a script that generat…
Overview
CVE-2002-2253 is a high-severity vulnerability affecting cyrus libsieve. It was published on December 31, 2002 and has a CVSS 2.0 base score of 10.0 (HIGH).
This vulnerability has a CVSS 2.0 base score of 10.0, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical description
Multiple buffer overflows in Cyrus Sieve / libSieve 2.1.2 and earlier allow remote attackers to execute arbitrary code via (1) a long header name, (2) a long IMAP flag, or (3) a script that generates a large number of errors that overflow the resulting error string.
Remediation
Check the references section for vendor advisories and patches from cyrus. Update libsieve 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
| Vendor | Product | Versions | Status |
|---|---|---|---|
| cyrus | libsieve | 0 | Affected |
References
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Frequently asked questions
What is CVE-2002-2253?
CVE-2002-2253 is a high-severity vulnerability affecting cyrus libsieve. It was published on December 31, 2002 and has a CVSS 2.0 base score of 10.0 (HIGH).
How severe is CVE-2002-2253?
This vulnerability has a CVSS 2.0 base score of 10.0, 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-2002-2253?
Check the references section for vendor advisories and patches from cyrus. Update libsieve 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-2002-2253?
CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2002-2253 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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