Bug 1869623 (CVE-2020-17487) - CVE-2020-17487 radare2: misparsing signature information in PE files could lead to DoS
Summary: CVE-2020-17487 radare2: misparsing signature information in PE files could le...
Keywords:
Status: CLOSED UPSTREAM
Alias: CVE-2020-17487
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1869627 1869626
Blocks:
TreeView+ depends on / blocked
 
Reported: 2020-08-18 11:36 UTC by Marian Rehak
Modified: 2020-08-18 15:15 UTC (History)
1 user (show)

Fixed In Version:
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Last Closed: 2020-08-18 15:15:22 UTC


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Description Marian Rehak 2020-08-18 11:36:59 UTC
radare2 4.5.0 misparses signature information in PE files, causing a segmentation fault in r_x509_parse_algorithmidentifier in libr/util/x509.c. This is due to a malformed object identifier in IMAGE_DIRECTORY_ENTRY_SECURITY.

Upstream Issue:

https://github.com/radareorg/radare2/issues/17431

Comment 1 Marian Rehak 2020-08-18 11:42:14 UTC
Created radare2 tracking bugs for this issue:

Affects: epel-all [bug 1869627]
Affects: fedora-all [bug 1869626]

Comment 2 Product Security DevOps Team 2020-08-18 15:15:22 UTC
This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for status of those individual community products.


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