CVE-2020-17487

HIGH

radare2 4.5.0 - Memory Corruption

Title source: llm

Description

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.

References (3)

[Exploit, Third Party Advisory] https://github.com/radareorg/radare2/issues/17431

[Mailing List, Third Party Advisory] https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/45SGGCWFIIV7N2X2QZRREHOW7ODT3IH7/

[Mailing List, Third Party Advisory] https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZJET3RR6W7LAK4H6VPTMAZS24W7XYHRZ/

Scores

CVSS v3 7.5

EPSS 0.0052

EPSS Percentile 66.9%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

Status published

Products (3)

fedoraproject/fedora 32

fedoraproject/fedora 33

radare/radare2 4.5.0

Published Aug 11, 2020

Tracked Since Feb 18, 2026