CVE-2005-1521
7.5 · HIGHInteger overflow in the fetch_io function of the imap4d server in GNU Mailutils 0.5 and 0.6, and other versions before 0.6.90, allows remote attackers to execute arbitrary code via a partial messag…
Overview
CVE-2005-1521 is a high-severity vulnerability affecting gnu mailutils. It was published on May 26, 2005 and has a CVSS 2.0 base score of 7.5 (HIGH).
This vulnerability has a CVSS 2.0 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical description
Integer overflow in the fetch_io function of the imap4d server in GNU Mailutils 0.5 and 0.6, and other versions before 0.6.90, allows remote attackers to execute arbitrary code via a partial message request with a large value in the END parameter, which leads to a heap-based buffer overflow.
Remediation
Check the references section for vendor advisories and patches from gnu. Update mailutils 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
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References
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Frequently asked questions
What is CVE-2005-1521?
CVE-2005-1521 is a high-severity vulnerability affecting gnu mailutils. It was published on May 26, 2005 and has a CVSS 2.0 base score of 7.5 (HIGH).
How severe is CVE-2005-1521?
This vulnerability has a CVSS 2.0 base score of 7.5, 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-2005-1521?
Check the references section for vendor advisories and patches from gnu. Update mailutils 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-2005-1521?
CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2005-1521 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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