CVE-2020-17487 - radare2 4.5.0 misparses signature information in PE files, causing a segmentation fault in r_x509_pa

CVE-2020-17487

Summary

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

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/

Vulnerable Configurations

cpe:2.3:a:radare:radare2:4.5.0:*:*:*:*:*:*:*
cpe:2.3:a:radare:radare2:4.5.0:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*

CVSS

Base:	5.0 (as of 26-03-2021 - 20:03)
Impact:
Exploitability:

CWE

NVD-CWE-noinfo

CAPEC

Access

Vector	Complexity	Authentication
NETWORK	LOW	NONE

Impact

Confidentiality	Integrity	Availability
NONE	NONE	PARTIAL

cvss-vector via4

AV:N/AC:L/Au:N/C:N/I:N/A:P

refmap via4

misc

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

Last major update

26-03-2021 - 20:03

Published

11-08-2020 - 20:15

Last modified

26-03-2021 - 20:03