CVE-2023-4255

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2023-4255
An out-of-bounds write issue has been discovered in the backspace handling of the checkType() function in etc.c within the W3M application. This vulnerability is triggered by supplying a specially crafted HTML file to the w3m binary. Exploitation of this flaw could lead to application crashes, resulting in a denial of service condition.

5.5 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://bugzilla.redhat.com/show_bug.cgi?id=2255207 Issue Tracking Third Party Advisory
https://github.com/tats/w3m/commit/edc602651c506aeeb60544b55534dd1722a340d3 Patch
https://github.com/tats/w3m/issues/268 Exploit Issue Tracking Patch
https://github.com/tats/w3m/pull/273 Issue Tracking Patch
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/AULOBQJLXE2KCT5UVQMKGEFL4GFIAOED/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MKFZQUK7FPWWJQYICDZZ4YWIPUPQ2D3R/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TODROGVCWZ435HQIZE6ARQC5LPQLIA5C/
Configurations

Configuration 1 (hide)

OR cpe:2.3:a:tats:w3m:0.5.3\+git20230121-1:*:*:*:*:*:*:*
cpe:2.3:a:tats:w3m:0.5.3\+git20230121-2:*:*:*:*:*:*:*
cpe:2.3:a:tats:w3m:0.5.3\+git20230129:*:*:*:*:*:*:*

Configuration 2 (hide)

OR cpe:2.3:a:fedoraproject:extra_packages_for_enterprise_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:39:*:*:*:*:*:*:*
History

27 Mar 2024, 03:15

Type Values Removed Values Added
References
  • () https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MKFZQUK7FPWWJQYICDZZ4YWIPUPQ2D3R/ -
  • () https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TODROGVCWZ435HQIZE6ARQC5LPQLIA5C/ -

23 Mar 2024, 03:15

Type Values Removed Values Added
References
  • () https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/AULOBQJLXE2KCT5UVQMKGEFL4GFIAOED/ -

03 Jan 2024, 02:30

Type Values Removed Values Added
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 5.5
CWE CWE-787
CPE cpe:2.3:a:tats:w3m:0.5.3\+git20230129:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:39:*:*:*:*:*:*:*
cpe:2.3:a:tats:w3m:0.5.3\+git20230121-2:*:*:*:*:*:*:*
cpe:2.3:a:fedoraproject:extra_packages_for_enterprise_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:a:tats:w3m:0.5.3\+git20230121-1:*:*:*:*:*:*:*
References () https://github.com/tats/w3m/pull/273 - () https://github.com/tats/w3m/pull/273 - Issue Tracking, Patch
References () https://github.com/tats/w3m/commit/edc602651c506aeeb60544b55534dd1722a340d3 - () https://github.com/tats/w3m/commit/edc602651c506aeeb60544b55534dd1722a340d3 - Patch
References () https://bugzilla.redhat.com/show_bug.cgi?id=2255207 - () https://bugzilla.redhat.com/show_bug.cgi?id=2255207 - Issue Tracking, Third Party Advisory
References () https://github.com/tats/w3m/issues/268 - () https://github.com/tats/w3m/issues/268 - Exploit, Issue Tracking, Patch

21 Dec 2023, 18:15

Type Values Removed Values Added
New CVE
Information

Published : 2023-12-21 16:15

Updated : 2024-03-27 03:15

NVD link : CVE-2023-4255

Mitre link : CVE-2023-4255

CVE.ORG link : CVE-2023-4255

JSON object : View

Products Affected

tats

  • w3m

fedoraproject

  • fedora
  • extra_packages_for_enterprise_linux
CWE
CWE-787

Out-of-bounds Write