High severity · published Jan 13, 2020
CVE-2020-6851
OpenJPEG through 2.3.1 has a heap-based buffer overflow in opj_t1_clbl_decode_processor in openjp2/t1.c because of lack of opj_j2k_update_image_dimensions validation
7.5
CVSS
5.3%
EPSS
No
On KEV
Description
OpenJPEG through 2.3.1 has a heap-based buffer overflow in opj_t1_clbl_decode_processor in openjp2/t1.c because of lack of opj_j2k_update_image_dimensions validation.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)5.3% · higher than 93% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
8.0; 9.0; 10.0 · source: NVD
EL
Enterprise Linux · Redhat
8.0 · source: NVD
EL
Enterprise Linux Desktop · Redhat
7.0 · source: NVD
EL
Enterprise Linux Eus · Redhat
7.7; 8.1; 8.2; 8.4 · source: NVD
EL
Enterprise Linux Server · Redhat
7.0 · source: NVD
EL
Enterprise Linux Server Aus · Redhat
7.7; 8.2; 8.4 · source: NVD
EL
Enterprise Linux Server Tus · Redhat
7.7; 8.2; 8.4 · source: NVD
EL
Enterprise Linux Workstation · Redhat
7.0 · source: NVD
FE
Fedora · Fedoraproject
30; 31 · source: NVD
GE
Georaster · Oracle
18c · source: NVD
OP
Openjpeg · Uclouvain
through 2.3.1 · source: NVD
OI
Outside IN Technology · Oracle
8.5.4; 8.5.5 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-6851
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-6851
Third Party Advisory
https://access.redhat.com/errata/RHSA-2020:0262
Third Party Advisory
https://access.redhat.com/errata/RHSA-2020:0274
Third Party Advisory
https://access.redhat.com/errata/RHSA-2020:0296
Exploit
https://github.com/uclouvain/openjpeg/issues/1228
Mailing List
https://lists.debian.org/debian-lts-announce/2020/01/msg00025.html
Mailing List
https://lists.debian.org/debian-lts-announce/2020/07/msg00008.html
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