ArchLinuxASA-202012-2[ASA-202012-2] cimg: arbitrary code execution
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:N/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
EPSS
Percentile
69.4%
Arch Linux Security Advisory ASA-202012-2
Severity: Medium
Date : 2020-12-05
CVE-ID : CVE-2020-25693
Package : cimg
Type : arbitrary code execution
Remote : No
Link : https://security.archlinux.org/AVG-1318
Summary
The package cimg before version 2.9.4-1 is vulnerable to arbitrary code
execution.
Resolution
Upgrade to 2.9.4-1.
pacman -Syu “cimg>=2.9.4-1”
The problem has been fixed upstream in version 2.9.4.
Workaround
None.
Description
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.
Impact
An attacker might be able to execute arbitrary code via a crafted PNM
file.
References
https://github.com/dtschump/CImg/pull/295
https://github.com/dtschump/CImg/commit/7db6d08355d09414d407e26aac10bb5825343e3a
https://security.archlinux.org/CVE-2020-25693
Related
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:N/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
EPSS
Percentile
69.4%