CVE-2021-40391

2021-11-1918:53:49

CWE-390

talos

www.cve.org

vulnerability

gerbv

out-of-bounds write

drill file

code execution

attacker

malicious file.

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

AI Score

9.8

Confidence

High

EPSS

0.006

Percentile

77.8%

JSON

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.

CNA Affected

[
  {
    "product": "Gerbv",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "Gerbv 2.7.0 , Gerbv dev (commit b5f1eacd) ,Gerbv forked dev (commit 71493260)"
      }
    ]
  }
]