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Debian Security Advisory DSA 1709-1 (shadow)

Information

Severity

Severity

High

Family

Family

Debian Local Security Checks

CVSSv2 Base

CVSSv2 Base

7.2

CVSSv2 Vector

CVSSv2 Vector

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

Solution Type

Solution Type

Vendor Patch

Created

Created

15 years ago

Modified

Modified

6 years ago

Summary

The remote host is missing an update to shadow announced via advisory DSA 1709-1.

Insight

Insight

Paul Szabo discovered that login, the system login tool, did not correctly handle symlinks while setting up tty permissions. If a local attacker were able to gain control of the system utmp file, they could cause login to change the ownership and permissions on arbitrary files, leading to a root privilege escalation. For the stable distribution (etch), this problem has been fixed in version 4.0.18.1-7+etch1. For the unstable distribution (sid), this problem has been fixed in version 4.1.1-6. We recommend that you upgrade your shadow package.

Solution

Solution

https://secure1.securityspace.com/smysecure/catid.html?in=DSA%201709-1

Common Vulnerabilities and Exposures (CVE)