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Debian Security Advisory DSA 3152-1 (unzip - security update)

Information

Severity

Severity

Medium

Family

Family

Debian Local Security Checks

CVSSv2 Base

CVSSv2 Base

6.8

CVSSv2 Vector

CVSSv2 Vector

AV:N/AC:M/Au:N/C:P/I:P/A:P

Solution Type

Solution Type

Vendor Patch

Created

Created

7 years ago

Modified

Modified

1 year ago

Summary

A flaw was found in the test_compr_eb() function allowing out-of-bounds read and write access to memory locations. By carefully crafting a corrupt ZIP archive an attacker can trigger a heap overflow, resulting in application crash or possibly having other unspecified impact.

Affected Software

Affected Software

unzip on Debian Linux

Detection Method

Detection Method

This check tests the installed software version using the apt package manager.

Solution

Solution

For the stable distribution (wheezy), this problem has been fixed in version 6.0-8+deb7u2. Additionally this update corrects a defective patch applied to address CVE-2014-8139, which caused a regression with executable jar files. For the unstable distribution (sid), this problem has been fixed in version 6.0-15. The defective patch applied to address CVE-2014-8139 was corrected in version 6.0-16. We recommend that you upgrade your unzip packages.

Common Vulnerabilities and Exposures (CVE)