CVE-2021-40391

2021-11-1900:00:00

ubuntu.com

gerbv drill format t-code

out-of-bounds write

code execution vulnerability

unix

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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.

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchgerbv< 2.6.1-3ubuntu0.1~esm1UNKNOWN
ubuntu20.04noarchgerbv< 2.7.0-1ubuntu0.1UNKNOWN
ubuntu22.04noarchgerbv< 2.8.2-1ubuntu0.1~esm1UNKNOWN
ubuntu16.04noarchgerbv< 2.6.0-1ubuntu0.16.04.1~esm1UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	18.04	noarch	gerbv	< 2.6.1-3ubuntu0.1~esm1	UNKNOWN
ubuntu	20.04	noarch	gerbv	< 2.7.0-1ubuntu0.1	UNKNOWN
ubuntu	22.04	noarch	gerbv	< 2.8.2-1ubuntu0.1~esm1	UNKNOWN
ubuntu	16.04	noarch	gerbv	< 2.6.0-1ubuntu0.16.04.1~esm1	UNKNOWN