Vulnerability Name:

CVE-2020-27844 (CCN-194426)

Assigned:2020-10-27
Published:2021-01-05
Updated:2022-10-07
Summary:A flaw was found in openjpeg's src/lib/openjp2/t2.c in versions prior to 2.4.0. This flaw allows an attacker to provide crafted input to openjpeg during conversion and encoding, causing an out-of-bounds write. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.
CVSS v3 Severity:7.8 High (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 (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
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:8.3 High (CVSS v2 Vector: AV:N/AC:M/Au:N/C:P/I:P/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Complete
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-20
CWE-787
CWE-122
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2020-27844

Source: CCN
Type: Red Hat Bugzilla – Bug 1907521
(CVE-2020-27844) - CVE-2020-27844 openjpeg: heap-based buffer overflow in opj_t2_encode_packet function in openjp2/t2.c

Source: MISC
Type: Issue Tracking, Patch, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1907521

Source: CCN
Type: Google Chrome Releases Web site
Stable Channel Update for Desktop

Source: XF
Type: UNKNOWN
openjpeg-cve202027844-bo(194426)

Source: CCN
Type: OpenJPEG GIT Repository
Heap-buffer-overflow in lib/openjp2/t2.c:973 #1299

Source: MLIST
Type: Mailing List, Third Party Advisory
[debian-lts-announce] 20210208 [SECURITY] [DLA 2550-1] openjpeg2 security update

Source: GENTOO
Type: Third Party Advisory
GLSA-202101-29

Source: N/A
Type: Patch, Third Party Advisory
N/A

Source: MISC
Type: Patch, Third Party Advisory
https://www.oracle.com/security-alerts/cpuApr2021.html

Source: CCN
Type: Oracle CPUJul2021
Oracle Critical Patch Update Advisory - July 2021

Vulnerable Configuration:Configuration 1:
  • cpe:/a:uclouvain:openjpeg:*:*:*:*:*:*:*:* (Version < 2.4.0)

    • Configuration 2:
  • cpe:/o:debian:debian_linux:9.0:*:*:*:*:*:*:*

    • Configuration 3:
  • cpe:/a:oracle:outside_in_technology:8.5.5:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:uclouvain:openjpeg:2.3.1:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:112066
    P
    		chromedriver-93.0.4577.82-1.1 on GA media (Moderate)
    2022-01-17
    oval:org.opensuse.security:def:105615
    P
    		chromedriver-93.0.4577.82-1.1 on GA media (Moderate)
    2021-10-01
    oval:org.opensuse.security:def:11184
    P
    		Security update for chromium (Important)
    2021-03-09
    oval:org.opensuse.security:def:96453
    P
    		Security update for chromium (Important)
    2021-03-09
    oval:org.opensuse.security:def:103143
    P
    		Security update for chromium (Important)
    2021-03-09
    oval:org.opensuse.security:def:109800
    P
    		Security update for chromium (Important)
    2021-03-09
    oval:org.opensuse.security:def:111256
    P
    		Security update for chromium (Important)
    2021-03-08
    BACK
    uclouvain openjpeg *
    debian debian linux 9.0
    oracle outside in technology 8.5.5
    openjpeg openjpeg 2.3.1