CVE-2016-6318

Impact:
Low
Public Date:
2016-08-16
Bugzilla:
1364944: CVE-2016-6318 cracklib: Stack-based buffer overflow when parsing large GECOS field

The MITRE CVE dictionary describes this issue as:

Stack-based buffer overflow in the FascistGecosUser function in lib/fascist.c in cracklib allows local users to cause a denial of service (application crash) or gain privileges via a long GECOS field, involving longbuffer.

Find out more about CVE-2016-6318 from the MITRE CVE dictionary dictionary and NIST NVD.

CVSS v2 metrics

NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.

Base Score 1.9
Base Metrics AV:L/AC:M/Au:N/C:N/I:N/A:P
Access Vector Local
Access Complexity Medium
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial

CVSS v3 metrics

NOTE: The following CVSS v3 metrics and score provided are preliminary and subject to review.

CVSS3 Base Score 4
CVSS3 Base Metrics CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Attack Vector Local
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality None
Integrity Impact None
Availability Impact Low

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Affected Packages State

Platform Package State
Red Hat Enterprise Linux 7 cracklib Will not fix
Red Hat Enterprise Linux 6 cracklib Will not fix
Red Hat Enterprise Linux 5 cracklib Will not fix

Acknowledgements

Red Hat would like to thank CSG Labs for reporting this issue.

Last Modified

CVE description copyright © 2017, The MITRE Corporation

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