CVE-2017-12837
CVSS V2 Medium 5
CVSS V3 High 7.5
Description
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.
Overview
- CVE ID
- CVE-2017-12837
- Assigner
- cve@mitre.org
- Vulnerability Status
- Modified
- Published Version
- 2017-09-19T18:29:00
- Last Modified Date
- 2020-07-15T03:15:18
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:perl:perl:*:*:*:*:*:*:*:* | 1 | OR | 5.24.2 | |
| cpe:2.3:a:perl:perl:5.26.0:*:*:*:*:*:*:* | 1 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:N/C:N/I:N/A:P
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- NONE
- Integrity Impact
- NONE
- Availability Impact
- PARTIAL
- Base Score
- 5
- Severity
- MEDIUM
- Exploitability Score
- 10
- Impact Score
- 2.9
CVSS Version 3
- Version
- 3.0
- Vector String
- CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- NONE
- Availability Impact
- HIGH
- Base Score
- 7.5
- Base Severity
- HIGH
- Exploitability Score
- 3.9
- Impact Score
- 3.6
References
| Reference URL | Reference Tags |
|---|---|
| https://perl5.git.perl.org/perl.git/log/refs/tags/v5.26.1-RC1 | Release Notes 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/commitdiff/96c83ed78aeea1a0496dd2b2d935869a822dc8a5 | Patch Vendor Advisory |
| https://bugzilla.redhat.com/show_bug.cgi?id=1492091 | Issue Tracking Patch Third Party Advisory VDB Entry |
| http://www.securityfocus.com/bid/100860 | Third Party Advisory VDB Entry |
| https://rt.perl.org/Public/Bug/Display.html?id=131582 | |
| http://www.debian.org/security/2017/dsa-3982 | |
| https://security.netapp.com/advisory/ntap-20180426-0001/ | |
| https://www.oracle.com/security-alerts/cpujul2020.html |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2017-12837 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-12837 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 16:40:49 | Added to TrackCVE | |||
| 2022-12-02 21:11:11 | 2017-09-19T18:29Z | 2017-09-19T18:29:00 | CVE Published Date | updated |
| 2022-12-02 21:11:11 | 2020-07-15T03:15:18 | CVE Modified Date | updated | |
| 2022-12-02 21:11:12 | Modified | Vulnerability Status | updated |