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CVE-2002-0759

5.0 · MEDIUM

bzip2 before 1.0.2 in FreeBSD 4.5 and earlier, OpenLinux 3.1 and 3.1.1, and possibly other operating systems, does not use the O_EXCL flag to create files during decompression and does not warn the…

Published Aug 12, 2002bzipEPSS 1.35%

Overview

CVE-2002-0759 is a medium-severity vulnerability affecting bzip bzip2. It was published on August 12, 2002 and has a CVSS 2.0 base score of 5.0 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 5.0, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

bzip2 before 1.0.2 in FreeBSD 4.5 and earlier, OpenLinux 3.1 and 3.1.1, and possibly other operating systems, does not use the O_EXCL flag to create files during decompression and does not warn the user if an existing file would be overwritten, which could allow attackers to overwrite files via a bzip2 archive.

Remediation

Check the references section for vendor advisories and patches from bzip. Update bzip2 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

Refftp://ftp.caldera.com/pub/security/OpenLinux/CSSA-2002-039.0.txtRefftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-02:25.bzip2.ascRefwww.iss.net/security_center/static/9126.phpRefwww.securityfocus.com/bid/4774Refftp://ftp.caldera.com/pub/security/OpenLinux/CSSA-2002-039.0.txtRefftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-02:25.bzip2.ascRefwww.iss.net/security_center/static/9126.phpRefwww.securityfocus.com/bid/4774

How CyberStrike helps

Frequently asked questions

What is CVE-2002-0759?

CVE-2002-0759 is a medium-severity vulnerability affecting bzip bzip2. It was published on August 12, 2002 and has a CVSS 2.0 base score of 5.0 (MEDIUM).

How severe is CVE-2002-0759?

This vulnerability has a CVSS 2.0 base score of 5.0, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2002-0759?

Check the references section for vendor advisories and patches from bzip. Update bzip2 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-2002-0759?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2002-0759 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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