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Gentoo: GLSA-201209-21 Normal: fastjar Directory Overwrite Threat

gentoo
Calendar Grey September 28, 2012
Dist Gentoo Esm H88
System vulnerabilities in Fastjar expose potential directory traversal threats, enabling unwanted file modifications. It is advised to implement upgrades to ensure enhanced system protection.
Two directory traversal vulnerabilities have been found in fastjar, allowing remote attackers to create or overwrite arbitrary files.

Summary

Two directory traversal vulnerabilities have been discovered in fastjar. Please review the CVE identifiers referenced below for details.

Topics%20covered

Topics Covered

security advisory directory traversal remote attack fastjar normal

Resolution

All fastjar users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=app-arch/fastjar-0.98-r1"

References

[ 1 ] CVE-2010-0831 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2010-0831 [ 2 ] CVE-2010-2322 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2010-2322

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/201209-21
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Concerns

Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users' machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.

Severity: Normal
Title: fastjar: Directory traversal
Date: September 28, 2012
Bugs: #325557
ID: 201209-21

Topics%20covered

Topics Covered

security advisory directory traversal remote attack fastjar normal

Synopsis

Two directory traversal vulnerabilities have been found in fastjar, allowing remote attackers to create or overwrite arbitrary files.

Background

fastjar is a Java archiver written in C.

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Affected Packages

------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 app-arch/fastjar < 0.98-r1 >= 0.98-r1

Impact

===== A remote attacker could entice a user to open a specially crafted JAR file, possibly resulting in the creation or truncation of arbitrary files.

Workaround

There is no known workaround at this time.

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