CVE-2017-12883
"Perl Buffer Overflow"
Description
Buffer overflow in the S_grok_bslash_N function in regcomp.c in Perl 5 before 5.24.3-RC1 and 5.26.x before 5.26.1-RC1 allows remote attackers to disclose sensitive information or cause a denial of service (application crash) via a crafted regular expression with an invalid '\N{U+...}' escape.
INFO
Published Date :
Sept. 19, 2017, 6:29 p.m.
Last Modified :
July 15, 2020, 3:15 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.2
Exploitability Score :
3.9
Public PoC/Exploit Available at Github
CVE-2017-12883 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-2017-12883.
| URL | Resource |
|---|---|
| http://mirror.cucumberlinux.com/cucumber/cucumber-1.0/source/lang-base/perl/patches/CVE-2017-12883.patch | Patch Third Party Advisory |
| http://www.debian.org/security/2017/dsa-3982 | |
| http://www.securityfocus.com/bid/100852 | Third Party Advisory VDB Entry |
| https://bugzilla.redhat.com/show_bug.cgi?id=1492093 | Issue Tracking Patch Third Party Advisory VDB Entry |
| https://perl5.git.perl.org/perl.git/commitdiff/2be4edede4ae226e2eebd4eff28cedd2041f300f#patch1 | Patch Vendor Advisory |
| https://perl5.git.perl.org/perl.git/log/refs/tags/v5.24.3-RC1 | Release Notes Vendor Advisory |
| https://perl5.git.perl.org/perl.git/log/refs/tags/v5.26.1-RC1 | Release Notes Vendor Advisory |
| https://rt.perl.org/Public/Bug/Display.html?id=131598 | |
| https://security.netapp.com/advisory/ntap-20180426-0001/ | |
| https://www.oracle.com/security-alerts/cpujul2020.html |
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).
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Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2017-12883 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2017-12883 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.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Jul. 15, 2020
Action Type Old Value New Value Added Reference https://www.oracle.com/security-alerts/cpujul2020.html [No Types Assigned] -
CVE Modified by [email protected]
Apr. 28, 2018
Action Type Old Value New Value Added Reference https://security.netapp.com/advisory/ntap-20180426-0001/ [No Types Assigned] -
CVE Modified by [email protected]
Nov. 05, 2017
Action Type Old Value New Value Added Reference http://www.debian.org/security/2017/dsa-3982 [No Types Assigned] -
CVE Modified by [email protected]
Oct. 04, 2017
Action Type Old Value New Value Changed Description Buffer overflow in the regular expression parser in PERL before 5.24.3-RC1 and 5.26.x before 5.26.1-RC1 allows remote attackers to cause a denial of service (crash) or leak data from memory via vectors involving use of RExC_parse in the vFAIL macro. Buffer overflow in the S_grok_bslash_N function in regcomp.c in Perl 5 before 5.24.3-RC1 and 5.26.x before 5.26.1-RC1 allows remote attackers to disclose sensitive information or cause a denial of service (application crash) via a crafted regular expression with an invalid '\N{U+...}' escape. Added Reference https://rt.perl.org/Public/Bug/Display.html?id=131598 [No Types Assigned] -
Initial Analysis by [email protected]
Sep. 27, 2017
Action Type Old Value New Value Added CVSS V2 (AV:N/AC:L/Au:N/C:P/I:N/A:P) Added CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H Changed Reference Type https://perl5.git.perl.org/perl.git/commitdiff/2be4edede4ae226e2eebd4eff28cedd2041f300f#patch1 No Types Assigned https://perl5.git.perl.org/perl.git/commitdiff/2be4edede4ae226e2eebd4eff28cedd2041f300f#patch1 Patch, Vendor Advisory Changed Reference Type http://www.securityfocus.com/bid/100852 No Types Assigned http://www.securityfocus.com/bid/100852 Third Party Advisory, VDB Entry Changed Reference Type https://perl5.git.perl.org/perl.git/log/refs/tags/v5.24.3-RC1 No Types Assigned https://perl5.git.perl.org/perl.git/log/refs/tags/v5.24.3-RC1 Release Notes, Vendor Advisory Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=1492093 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=1492093 Issue Tracking, Patch, Third Party Advisory, VDB Entry Changed Reference Type https://perl5.git.perl.org/perl.git/log/refs/tags/v5.26.1-RC1 No Types Assigned https://perl5.git.perl.org/perl.git/log/refs/tags/v5.26.1-RC1 Release Notes, Vendor Advisory Changed Reference Type http://mirror.cucumberlinux.com/cucumber/cucumber-1.0/source/lang-base/perl/patches/CVE-2017-12883.patch No Types Assigned http://mirror.cucumberlinux.com/cucumber/cucumber-1.0/source/lang-base/perl/patches/CVE-2017-12883.patch Patch, Third Party Advisory Added CWE CWE-119 Added CPE Configuration OR *cpe:2.3:a:perl:perl:5.24.2:*:*:*:*:*:*:* (and previous) *cpe:2.3:a:perl:perl:5.26.0:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Sep. 23, 2017
Action Type Old Value New Value Added Reference http://mirror.cucumberlinux.com/cucumber/cucumber-1.0/source/lang-base/perl/patches/CVE-2017-12883.patch [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-2017-12883 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-2017-12883
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
3.43 }} 1.02%
score
0.91605
percentile