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Debian Security Advisory DSA 3192-1 (checkpw - security update)

Information

Severity

Severity

Medium

Family

Family

Debian Local Security Checks

CVSSv2 Base

CVSSv2 Base

5.0

CVSSv2 Vector

CVSSv2 Vector

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

Solution Type

Solution Type

Vendor Patch

Created

Created

7 years ago

Modified

Modified

1 year ago

Summary

Hiroya Ito of GMO Pepabo, Inc. reported that checkpw, a password authentication program, has a flaw in processing account names which contain double dashes. A remote attacker can use this flaw to cause a denial of service (infinite loop).

Affected Software

Affected Software

checkpw 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 1.02-1+deb7u1. For the upcoming stable distribution (jessie), this problem has been fixed in version 1.02-1.1. For the unstable distribution (sid), this problem has been fixed in version 1.02-1.1. We recommend that you upgrade your checkpw packages.

Common Vulnerabilities and Exposures (CVE)