Vulnerability CVE-2020-25693

Vulnerability Name:

CVE-2020-25693 (CCN-192649)

Assigned:

2020-10-22

Published:

2020-10-22

Updated:

2021-05-05

Summary:

A flaw was found in CImg in versions prior to 2.9.3. Integer overflows leading to heap buffer overflows in load_pnm() can be triggered by a specially crafted input file processed by CImg, which can lead to an impact to application availability or data integrity.

CVSS v3 Severity:

8.1 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H)
7.1 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Network Attack Complexity (AC): Low Privileges Required (PR): None User Interaction (UI): Required
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): High Integrity (I): None Availibility (A): High

7.8 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
6.8 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Local Attack Complexity (AC): Low Privileges Required (PR): None User Interaction (UI): Required
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): High Integrity (I): High Availibility (A): High

CVSS v2 Severity:

5.8 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:P/I:N/A:P)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Medium Authentication (Au): None
Impact Metrics:	Confidentiality (C): Partial Integrity (I): None Availibility (A): Partial

6.8 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:C/I:C/A:C)

Exploitability Metrics:	Access Vector (AV): Local Access Complexity (AC): Low Athentication (Au): Single_Instance
Impact Metrics:	Confidentiality (C): Complete Integrity (I): Complete Availibility (A): Complete

Vulnerability Type:

CWE-787
CWE-190
CWE-122

Vulnerability Consequences:

Gain Access

References:

Source: MITRE
Type: CNA
CVE-2020-25693

Source: CCN
Type: Red Hat Bugzilla - Bug 1893377
Bug 1893377 (CVE-2020-25693) - CVE-2020-25693 CImg: multiple integer overflows leading to heap-based buffer-overflows

Source: MISC
Type: Exploit, Issue Tracking, Patch, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1893377

Source: XF
Type: UNKNOWN
cimg-cve202025693-bo(192649)

Source: CCN
Type: CImg GIT Repository
Fix multiple heap buffer overflows #295

Source: FEDORA
Type: Third Party Advisory
FEDORA-2021-2aaba884af

Source: FEDORA
Type: Third Party Advisory
FEDORA-2021-ca1151e997

Source: FEDORA
Type: Third Party Advisory
FEDORA-2021-bc6585e31a

Vulnerable Configuration:

Configuration 1:

cpe:/a:cimg:cimg:*:*:*:*:*:*:*:* (Version < 2.9.3)

Configuration 2:

cpe:/o:fedoraproject:fedora:32:*:*:*:*:*:*:*

OR cpe:/o:fedoraproject:fedora:33:*:*:*:*:*:*:*

OR cpe:/o:fedoraproject:fedora:34:*:*:*:*:*:*:*

Denotes that component is vulnerable

BACK