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TalosCVE-2021-40391

HistoryNov 19, 2021 - 7:15 p.m.

CVE-2021-40391

2021-11-1919:15:08

CWE-787

CWE-755

CWE-390

talos

web.nvd.nist.gov

cve-2021-40391

gerbv

out-of-bounds write vulnerability

code execution

drill format t-code tool number

nvd

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

AI Score

9.4

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.

Affected configurations

Nvd

Vulners

Node

gerbv_projectgerbvMatch2.7.0-

gerbv_projectgerbvMatch2.7.0dev

gerbv_projectgerbvMatch2.7.0forked_dev

Node

debiandebian_linuxMatch9.0

Node

fedoraprojectfedoraMatch36

VendorProductVersionCPE
gerbv_projectgerbv2.7.0cpe:2.3:a:gerbv_project:gerbv:2.7.0:-:*:*:*:*:*:*
gerbv_projectgerbv2.7.0cpe:2.3:a:gerbv_project:gerbv:2.7.0:dev:*:*:*:*:*:*
gerbv_projectgerbv2.7.0cpe:2.3:a:gerbv_project:gerbv:2.7.0:forked_dev:*:*:*:*:*:*
debiandebian_linux9.0cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
fedoraprojectfedora36cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
gerbv_project	gerbv	2.7.0	cpe:2.3:a:gerbv_project:gerbv:2.7.0:-::::::
gerbv_project	gerbv	2.7.0	cpe:2.3:a:gerbv_project:gerbv:2.7.0:dev::::::
gerbv_project	gerbv	2.7.0	cpe:2.3:a:gerbv_project:gerbv:2.7.0:forked_dev::::::
debian	debian_linux	9.0	cpe:2.3:o:debian:debian_linux:9.0:::::::*
fedoraproject	fedora	36	cpe:2.3:o:fedoraproject:fedora:36:::::::*

CNA Affected

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