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Debian: Security Advisory for sudo (DSA-4614-1)
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
The remote host is missing an update for the 'sudo' package(s) announced via the DSA-4614-1 advisory.
Insight
Insight
Joe Vennix discovered a stack-based buffer overflow vulnerability in sudo, a program designed to provide limited super user privileges to specific users, triggerable when configured with the pwfeedback option enabled. An unprivileged user can take advantage of this flaw to obtain full root privileges. Details can be found in the referenced upstream advisory.
Affected Software
Affected Software
'sudo' package(s) on Debian Linux.
Detection Method
Detection Method
Checks if a vulnerable package version is present on the target host.
Solution
Solution
For the oldstable distribution (stretch), this problem has been fixed in version 1.8.19p1-2.1+deb9u2. For the stable distribution (buster), exploitation of the bug is prevented due to a change in EOF handling introduced in 1.8.26. We recommend that you upgrade your sudo packages.