CVE-2020-27828: Input Validation
First published: Mon Dec 07 2020(Updated: )
There's a flaw in jasper's jpc encoder in versions prior to 2.0.23. Crafted input provided to jasper by an attacker could cause an arbitrary out-of-bounds write. This could potentially affect data confidentiality, integrity, or application availability.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/jasper | <2.0.23 | 2.0.23 |
| Jasper Project Jasper | <2.0.23 | |
| Fedoraproject Fedora | =32 | |
| Fedoraproject Fedora | =33 |
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Reference Links
- https://bugzilla.redhat.com/show_bug.cgi?id=1905201
- https://github.com/jasper-software/jasper/issues/252
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/COBEVDBUO3QTNR6YQBBTIQKNIB6W3MJ2/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/EBZZ2SNTQ4BSA6PNJCTOAKXIAXYNNF6V/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/N4ALB4SXHURLVWKAOKYRNJXPABW3M22M/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UPOVZTSIQPW2H4AFLMI3LHJEZGBVEQET/
- https://github.com/jasper-software/jasper/pull/253
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1905202
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1905203
- https://github.com/jasper-software/jasper/commit/4cd52b5daac62b00a0a328451544807ddecf775f
- https://access.redhat.com/errata/RHSA-2021:4235
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EBZZ2SNTQ4BSA6PNJCTOAKXIAXYNNF6V/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/COBEVDBUO3QTNR6YQBBTIQKNIB6W3MJ2/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UPOVZTSIQPW2H4AFLMI3LHJEZGBVEQET/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/N4ALB4SXHURLVWKAOKYRNJXPABW3M22M/
Frequently Asked Questions
What is the vulnerability ID for this flaw in jasper's jpc encoder?
The vulnerability ID for this flaw in jasper's jpc encoder is CVE-2020-27828.
What is the severity of CVE-2020-27828?
CVE-2020-27828 has a severity rating of 7.8 (high).
How can an attacker exploit this vulnerability?
An attacker can exploit this vulnerability by providing crafted input to jasper's jpc encoder, causing an arbitrary out-of-bounds write.
Which versions of jasper are affected by this vulnerability?
Versions of jasper prior to 2.0.23 are affected by this vulnerability.
How can I fix this vulnerability in jasper's jpc encoder?
To fix this vulnerability, upgrade jasper to version 2.0.23 or later.
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