High severity · published Jun 26, 2019
CVE-2018-20847
An improper computation of p_tx0, p_tx1, p_ty0 and p_ty1 in the function opj_get_encoding_parameters in openjp2/pi.c in OpenJPEG through 2.3.0 can lead to an integer overflow
8.8
CVSS
2.3%
EPSS
No
On KEV
Description
An improper computation of p_tx0, p_tx1, p_ty0 and p_ty1 in the function opj_get_encoding_parameters in openjp2/pi.c in OpenJPEG through 2.3.0 can lead to an integer overflow.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.3% · higher than 84% 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 · source: NVD
OP
Openjpeg · Uclouvain
through 2.3.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-20847
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-20847
Broken Link
http://www.securityfocus.com/bid/108921
Patch
https://github.com/uclouvain/openjpeg/commit/5d00b719f4b93b1445e6fb4c766b9a9883c57949
Issue Tracking
https://github.com/uclouvain/openjpeg/issues/431
Patch
https://github.com/uclouvain/openjpeg/pull/1168/commits/c58df149900df862806d0e892859b41115875845
Issue Tracking
https://lists.debian.org/debian-lts-announce/2019/07/msg00010.html
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