CVE-2017-12837
Severity Score
7.5
*CVSS v3
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
Heap-based buffer overflow in the S_regatom 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 cause a denial of service (out-of-bounds write) via a regular expression with a '\N{}' escape and the case-insensitive modifier.
Un desbordamiento de búfer en la región heap de la memoria en la función S_regatom en el archivo regcomp.c en Perl 5 anterior a versión 5.24.3-RC1 y versión 5.26.x anterior a 5.26.1-RC1, permite a los atacantes remotos causar una denegación de servicio (escritura fuera de límites) por medio de una expresión regular con un escape '\N{}' y el modificador que no distingue entre mayúsculas y minúsculas.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2017-08-11 CVE Reserved
- 2017-09-19 CVE Published
- 2024-08-05 CVE Updated
- 2024-10-01 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer
CAPEC
References (9)
| URL | Tag | Source |
|---|---|---|
| http://www.securityfocus.com/bid/100860 | Third Party Advisory | |
| https://rt.perl.org/Public/Bug/Display.html?id=131582 | X_refsource_confirm | |
| https://security.netapp.com/advisory/ntap-20180426-0001 | X_refsource_confirm |
|
| https://www.oracle.com/security-alerts/cpujul2020.html | X_refsource_misc |
|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=1492091 | 2020-07-15 | |
| https://perl5.git.perl.org/perl.git/commitdiff/96c83ed78aeea1a0496dd2b2d935869a822dc8a5 | 2020-07-15 |
| URL | Date | SRC |
|---|---|---|
| http://www.debian.org/security/2017/dsa-3982 | 2020-07-15 | |
| https://perl5.git.perl.org/perl.git/log/refs/tags/v5.24.3-RC1 | 2020-07-15 | |
| https://perl5.git.perl.org/perl.git/log/refs/tags/v5.26.1-RC1 | 2020-07-15 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Perl Search vendor "Perl" | Perl Search vendor "Perl" for product "Perl" | <= 5.24.2 Search vendor "Perl" for product "Perl" and version " <= 5.24.2" | - |
Affected
| ||||||
| Perl Search vendor "Perl" | Perl Search vendor "Perl" for product "Perl" | 5.26.0 Search vendor "Perl" for product "Perl" and version "5.26.0" | - |
Affected
| ||||||