CVE-2018-6797
CVSS V2 High 7.5
CVSS V3 Critical 9.8
Description
An issue was discovered in Perl 5.18 through 5.26. A crafted regular expression can cause a heap-based buffer overflow, with control over the bytes written.
Overview
- CVE ID
- CVE-2018-6797
- Assigner
- cve@mitre.org
- Vulnerability Status
- Modified
- Published Version
- 2018-04-17T20:29:00
- Last Modified Date
- 2020-08-24T17:37:01
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:perl:perl:*:*:*:*:*:*:*:* | 1 | OR | 5.18 | 5.26 |
| cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* | 1 | OR | ||
| cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:redhat:enterprise_linux_server:7.3:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:redhat:enterprise_linux_server:7.4:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:redhat:enterprise_linux_server:7.5:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:redhat:enterprise_linux_server:7.6:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:* | 1 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:N/C:P/I:P/A:P
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- PARTIAL
- Availability Impact
- PARTIAL
- Base Score
- 7.5
- Severity
- HIGH
- Exploitability Score
- 10
- Impact Score
- 6.4
CVSS Version 3
- Version
- 3.0
- Vector String
- CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- HIGH
- Base Score
- 9.8
- Base Severity
- CRITICAL
- Exploitability Score
- 3.9
- Impact Score
- 5.9
References
| Reference URL | Reference Tags |
|---|---|
| https://www.debian.org/security/2018/dsa-4172 | Third Party Advisory |
| https://rt.perl.org/Public/Bug/Display.html?id=132227 | Patch Vendor Advisory |
| http://www.securitytracker.com/id/1040681 | Third Party Advisory VDB Entry |
| https://access.redhat.com/errata/RHSA-2018:1192 | Third Party Advisory |
| https://usn.ubuntu.com/3625-1/ | Third Party Advisory |
| http://www.securitytracker.com/id/1042004 | Third Party Advisory VDB Entry |
| https://security.gentoo.org/glsa/201909-01 | |
| https://www.oracle.com/security-alerts/cpujul2020.html |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2018-6797 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-6797 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 16:31:28 | Added to TrackCVE | |||
| 2022-12-03 04:55:42 | 2018-04-17T20:29Z | 2018-04-17T20:29:00 | CVE Published Date | updated |
| 2022-12-03 04:55:42 | 2020-08-24T17:37:01 | CVE Modified Date | updated | |
| 2022-12-03 04:55:42 | Modified | Vulnerability Status | updated |