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CVE-2016-7795

Date: October 13, 2016

The manager_invoke_notify_message function in systemd 231 and earlier allows local users to cause a denial of service (assertion failure and PID 1 hang) via a zero-length message received over a notify socket.

Language: C

Severity Score

5.5

Related Resources (14)

Url: https://security-tracker.debian.org/tracker/CVE-2016-7795

Url: http://www.securityfocus.com/bid/93223

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2016-7795

Url: https://github.com/systemd/systemd/issues/4234

Url: http://rhn.redhat.com/errata/RHSA-2016-2694.html

Url: https://nvd.nist.gov/vuln/detail/CVE-2016-7795

Url: https://access.redhat.com/security/cve/CVE-2016-7795

Url: http://rhn.redhat.com/errata/RHSA-2016-2610.html

Url: https://www.agwa.name/blog/post/how_to_crash_systemd_in_one_tweet

Url: http://www.openwall.com/lists/oss-security/2016/09/30/1

Url: http://www.ubuntu.com/usn/USN-3094-1

Url: http://www.securitytracker.com/id/1037320

Url: http://www.openwall.com/lists/oss-security/2016/09/28/9

Url: https://www.mend.io/vulnerability-database/CVE-2016-7795

Severity Score

5.5

Weakness Type (CWE)

Improper Input Validation

CWE-20

CVSS v3.1

Base Score:	5.5
Attack Vector (AV):	LOCAL
Attack Complexity (AC):	LOW
Privileges Required (PR):	LOW
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	HIGH

CVSS v2

Base Score:	4.9
Access Vector (AV):	LOCAL
Access Complexity (AC):	LOW
Authentication (AU):	NONE
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	COMPLETE
Additional information:

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