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Alerts This Week
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Alerts This Week
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Debian: DSA-3794-1 Critical: Shadow Integer Overflow and DoS

debian
Calendar Grey February 24, 2017
Scroller Debian
Debian Security Notice DSA-3794-1 concerns curl flaws; updating is advised for protection.
Several vulnerabilities were discovered in the shadow suite
Topics%20covered

Topics Covered

security advisory denial of service critical remote code execution debian privilege escalation shadow

Summary

CVE-2016-6252

An integer overflow vulnerability was discovered, potentially
allowing a local user to escalate privileges via crafted input to
the newuidmap utility.

CVE-2017-2616

Tobias Stoeckmann discovered that su does not properly handle
clearing a child PID. A local attacker can take advantage of this
flaw to send SIGKILL to other processes with root privileges,
resulting in denial of service.

For the stable distribution (jessie), these problems have been fixed in
version 1:4.2-3+deb8u3.

We recommend that you upgrade your shadow packages.

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/



Severity
critical
Lowest
Low
Medium
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Critical

Package: shadow
CVE ID: CVE-2016-6252 CVE-2017-2616

Topics%20covered

Topics Covered

security advisory denial of service critical remote code execution debian privilege escalation shadow

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