CVE-2021-40391
CVSS V2 High 7.5
CVSS V3 Critical 9.8
Description
An out-of-bounds write vulnerability exists in the drill format T-code tool number functionality of Gerbv 2.7.0, dev (commit b5f1eacd), and the forked version of Gerbv (commit 71493260). A specially-crafted drill file can lead to code execution. An attacker can provide a malicious file to trigger this vulnerability.
Overview
- CVE ID
- CVE-2021-40391
- Assigner
- talos-cna@cisco.com
- Vulnerability Status
- Analyzed
- Published Version
- 2021-11-19T19:15:08
- Last Modified Date
- 2022-07-22T10:36:37
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:gerbv_project:gerbv:2.7.0:-:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:gerbv_project:gerbv:2.7.0:dev:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:gerbv_project:gerbv:2.7.0:forked_dev:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:* | 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
- 3.1
- Vector String
- CVSS:3.1/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://lists.debian.org/debian-lts-announce/2021/12/msg00003.html | Mailing List Third Party Advisory |
| https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TUM5GIUZJ7AVHVCXDZW6ZVCAPV2ISN47/ | Mailing List Third Party Advisory |
| https://www.talosintelligence.com/vulnerability_reports/TALOS-2021-1402 | Exploit Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-40391 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-40391 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-04-20 17:01:45 | Added to TrackCVE | |||
| 2022-12-05 14:56:16 | 2021-11-19T19:15Z | 2021-11-19T19:15:08 | CVE Published Date | updated |
| 2022-12-05 14:56:16 | 2022-07-22T10:36:37 | CVE Modified Date | updated | |
| 2022-12-05 14:56:16 | Analyzed | Vulnerability Status | updated | |
| 2022-12-05 14:56:17 | CWE-755 | Weakness Enumeration | updated | |
| 2022-12-05 14:56:21 | References | updated |