CVE-2017-7476

Impact:
Important
Public Date:
2017-04-27
CWE:
CWE-787
Bugzilla:
1445185: CVE-2017-7476 gnulib: Out-of-bounds write by setting a large TZ variable

The MITRE CVE dictionary describes this issue as:

Gnulib before 2017-04-26 has a heap-based buffer overflow with the TZ environment variable. The error is in the save_abbr function in time_rz.c.

Find out more about CVE-2017-7476 from the MITRE CVE dictionary dictionary and NIST NVD.

CVSS v3 metrics

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

CVSS3 Base Score 7.8
CVSS3 Base Metrics CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality High
Integrity Impact High
Availability Impact High

Affected Packages State

Platform Package State
Red Hat Enterprise Linux 7 coreutils Not affected
Red Hat Enterprise Linux 6 coreutils Not affected
Red Hat Enterprise Linux 5 coreutils Not affected
Unless explicitly stated as not affected, all previous versions of packages in any minor update stream of a product listed here should be assumed vulnerable, although may not have been subject to full analysis.

Acknowledgements

Red Hat would like to thank Pádraig Brady for reporting this issue.
Last Modified

CVE description copyright © 2017, The MITRE Corporation