Bug 2002672 (CVE-2020-18899) - CVE-2020-18899 exiv2: uncontrolled memory allocation in DataBufdata may lead to DoS
Summary: CVE-2020-18899 exiv2: uncontrolled memory allocation in DataBufdata may lead ...
Keywords:
Status: CLOSED WONTFIX
Alias: CVE-2020-18899
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2002673 2002674
Blocks: 2002681
TreeView+ depends on / blocked
 
Reported: 2021-09-09 13:23 UTC by Marian Rehak
Modified: 2021-09-14 18:21 UTC (History)
4 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed: 2021-09-14 18:21:28 UTC
Embargoed:

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Description Marian Rehak 2021-09-09 13:23:30 UTC 
An uncontrolled memory allocation in DataBufdata(subBox.length-sizeof(box)) function of Exiv2 0.27 allows attackers to cause a denial of service (DOS) via a crafted input.

Upstream Issue:

https://github.com/Exiv2/exiv2/issues/742
Comment 1 Marian Rehak 2021-09-09 13:23:51 UTC 
Created exiv2 tracking bugs for this issue:

Affects: fedora-all [bug 2002673]


Created mingw-exiv2 tracking bugs for this issue:

Affects: fedora-all [bug 2002674]
Comment 2 Product Security DevOps Team 2021-09-14 18:21:28 UTC 
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2020-18899
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