CVE-2020-17487
First published: Tue Aug 11 2020(Updated: )
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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Radare Radare2 | =4.5.0 | |
| Fedoraproject Fedora | =32 | |
| Fedoraproject Fedora | =33 |
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Reference Links
- https://github.com/radareorg/radare2/issues/17431
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/45SGGCWFIIV7N2X2QZRREHOW7ODT3IH7/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZJET3RR6W7LAK4H6VPTMAZS24W7XYHRZ/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/45SGGCWFIIV7N2X2QZRREHOW7ODT3IH7/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZJET3RR6W7LAK4H6VPTMAZS24W7XYHRZ/
Frequently Asked Questions
What is CVE-2020-17487?
CVE-2020-17487 is a vulnerability in radare2 4.5.0 that misparses signature information in PE files causing a segmentation fault.
How severe is CVE-2020-17487?
CVE-2020-17487 has a severity value of 7.5, classified as high.
What causes CVE-2020-17487 in radare2 4.5.0?
CVE-2020-17487 in radare2 4.5.0 is caused by a malformed object identifier in IMAGE_DIRECTORY_ENTRY_SECURITY.
How can CVE-2020-17487 be exploited?
CVE-2020-17487 can be exploited by misparsing signature information in PE files, leading to a segmentation fault.
Is there a fix available for CVE-2020-17487?
At the moment, there are patches and updates available to address CVE-2020-17487 in radare2 4.5.0.
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