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Debian Security Advisory DSA 3578-1 (libidn - security update)

Information

Severity

Severity

High

Family

Family

Debian Local Security Checks

CVSSv2 Base

CVSSv2 Base

7.5

CVSSv2 Vector

CVSSv2 Vector

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

Solution Type

Solution Type

Vendor Patch

Created

Created

6 years ago

Modified

Modified

8 months ago

Summary

It was discovered that libidn, the GNU library for Internationalized Domain Names (IDNs), did not correctly handle invalid UTF-8 input, causing an out-of-bounds read. This could allow attackers to disclose sensitive information from an application using the libidn library.

Affected Software

Affected Software

libidn 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 (jessie), this problem has been fixed in version 1.29-1+deb8u1. For the testing distribution (stretch), this problem has been fixed in version 1.31-1. For the unstable distribution (sid), this problem has been fixed in version 1.31-1. We recommend that you upgrade your libidn packages.

Common Vulnerabilities and Exposures (CVE)