CVE-2017-7476

Public Exploit

Description

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.

Category

9.8
CVSS
Severity: Critical
CVSS 3.0 •
CVSS 2.0 •
EPSS 1.61% Top 20%
Third-Party Advisory securityfocus.com Third-Party Advisory redhat.com Third-Party Advisory redhat.com Third-Party Advisory debian.org
Affected: n/a Gnulib before 2017-04-26
Published at:
Updated at:

References

Link Tags
https://security-tracker.debian.org/tracker/CVE-2017-7476 third party advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1445185 patch vdb entry third party advisory issue tracking
https://bugzilla.redhat.com/show_bug.cgi?id=1444774 vdb entry exploit mitigation third party advisory issue tracking
http://git.savannah.gnu.org/gitweb/?p=gnulib.git%3Ba=commit%3Bh=94e01571507835ff59dd8ce2a0b56a4b566965a4
http://www.securityfocus.com/bid/98098 third party advisory vdb entry

Frequently Asked Questions

What is the severity of CVE-2017-7476?
CVE-2017-7476 has been scored as a critical severity vulnerability.
How to fix CVE-2017-7476?
To fix CVE-2017-7476, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-7476 being actively exploited in the wild?
It is possible that CVE-2017-7476 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2017-7476?
CVE-2017-7476 affects n/a Gnulib before 2017-04-26.
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