CVE-2020-27845: Buffer Overflow
First published: Mon Dec 14 2020(Updated: )
A flaw was found in OpenJPEG. Specially crafted input file can lead to a heap-based buffer overflow in functions opj_pi_next_rlcp, opj_pi_next_rpcl and opj_pi_next_lrcp in openjp2/pi.c. Reference: <a href="https://github.com/uclouvain/openjpeg/issues/1302">https://github.com/uclouvain/openjpeg/issues/1302</a>
Credit: secalert@redhat.com secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Uclouvain Openjpeg | <2.4.0 | |
| Fedoraproject Fedora | =32 | |
| Debian Debian Linux | =9.0 | |
| Debian Debian Linux | =10.0 | |
| Oracle Outside In Technology | =8.5.5 | |
| redhat/openjpeg | <2.4.0 | 2.4.0 |
| debian/openjpeg2 | 2.4.0-3 2.5.0-2 |
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Reference Links
- https://bugzilla.redhat.com/show_bug.cgi?id=1907523
- https://lists.debian.org/debian-lts-announce/2021/02/msg00011.html
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WJUPGIZE6A4O52EBOF75MCXJOL6MUCRV/
- https://security.gentoo.org/glsa/202101-29
- https://www.debian.org/security/2021/dsa-4882
- https://www.oracle.com//security-alerts/cpujul2021.html
- https://www.oracle.com/security-alerts/cpuApr2021.html
- https://launchpad.net/bugs/cve/CVE-2020-27845
- https://github.com/uclouvain/openjpeg/issues/1302
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1907703
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1907701
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1907700
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1907702
- https://github.com/uclouvain/openjpeg/commit/8f5aff1dff510a964d3901d0fba281abec98ab63
- https://access.redhat.com/errata/RHSA-2021:4251
- https://access.redhat.com/security/cve/cve-2020-27845
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WJUPGIZE6A4O52EBOF75MCXJOL6MUCRV/
- https://security-tracker.debian.org/tracker/CVE-2020-27845
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-27845
- https://nvd.nist.gov/vuln/detail/CVE-2020-27845
- https://ubuntu.com/security/CVE-2020-27845
Frequently Asked Questions
What is the vulnerability ID of this flaw?
The vulnerability ID of this flaw is CVE-2020-27845.
What is the severity of CVE-2020-27845?
The severity of CVE-2020-27845 is medium (5.5).
What is the impact of this flaw?
The highest impact of this flaw is to application availability.
Which software versions are affected by CVE-2020-27845?
Versions prior to 2.4.0 of openjpeg are affected by CVE-2020-27845.
How can an attacker exploit CVE-2020-27845?
An attacker can exploit CVE-2020-27845 by providing untrusted input to openjpeg's conversion/encoding functionality, leading to an out-of-bounds read.
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