CVE-2017-7476
Gnulib TZ Environment Variable Heap-Based Buffer Overflow
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.
INFO
Published Date :
May 2, 2017, 5:59 p.m.
Last Modified :
Feb. 12, 2023, 11:30 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.9
Exploitability Score :
3.9
Public PoC/Exploit Available at Github
CVE-2017-7476 has a 1 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2017-7476.
| URL | Resource |
|---|---|
| http://git.savannah.gnu.org/gitweb/?p=gnulib.git%3Ba=commit%3Bh=94e01571507835ff59dd8ce2a0b56a4b566965a4 | |
| http://www.securityfocus.com/bid/98098 | Third Party Advisory VDB Entry |
| https://bugzilla.redhat.com/show_bug.cgi?id=1444774 | Exploit Issue Tracking Mitigation Third Party Advisory VDB Entry |
| https://bugzilla.redhat.com/show_bug.cgi?id=1445185 | Issue Tracking Patch Third Party Advisory VDB Entry |
| https://security-tracker.debian.org/tracker/CVE-2017-7476 | Third Party Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
A collection of vulnerabilities discovered by the AFL fuzzer (afl-fuzz)
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2017-7476 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2017-7476 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Feb. 12, 2023
Action Type Old Value New Value Removed Reference http://git.savannah.gnu.org/gitweb/?p=gnulib.git;a=commit;h=94e01571507835ff59dd8ce2a0b56a4b566965a4 [Patch, Third Party Advisory] Added Reference http://git.savannah.gnu.org/gitweb/?p=gnulib.git%3Ba=commit%3Bh=94e01571507835ff59dd8ce2a0b56a4b566965a4 [No Types Assigned] -
Initial Analysis by [email protected]
May. 15, 2017
Action Type Old Value New Value Added CVSS V2 (AV:N/AC:L/Au:N/C:P/I:P/A:P) Added CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=1445185 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=1445185 Issue Tracking, Patch, Third Party Advisory, VDB Entry Changed Reference Type https://security-tracker.debian.org/tracker/CVE-2017-7476 No Types Assigned https://security-tracker.debian.org/tracker/CVE-2017-7476 Third Party Advisory Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=1444774 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=1444774 Exploit, Issue Tracking, Mitigation, Third Party Advisory, VDB Entry Changed Reference Type http://git.savannah.gnu.org/gitweb/?p=gnulib.git;a=commit;h=94e01571507835ff59dd8ce2a0b56a4b566965a4 No Types Assigned http://git.savannah.gnu.org/gitweb/?p=gnulib.git;a=commit;h=94e01571507835ff59dd8ce2a0b56a4b566965a4 Patch, Third Party Advisory Changed Reference Type http://www.securityfocus.com/bid/98098 No Types Assigned http://www.securityfocus.com/bid/98098 Third Party Advisory, VDB Entry Added CWE CWE-119 Added CPE Configuration OR *cpe:2.3:a:gnulib:gnulib:2017-04-25:*:*:*:*:*:*:* (and previous) -
CVE Modified by [email protected]
May. 04, 2017
Action Type Old Value New Value Added Reference http://www.securityfocus.com/bid/98098 [No Types Assigned]
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2017-7476 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2017-7476
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.86 }} 0.30%
score
0.79830
percentile