CVE-2020-16592 - A use after free issue exists in the Binary File Descriptor (BFD) library (aka libbfd) in GNU Binuti

CVE-2020-16592

Summary

A use after free issue exists in the Binary File Descriptor (BFD) library (aka libbfd) in GNU Binutils 2.34 in bfd_hash_lookup, as demonstrated in nm-new, that can cause a denial of service via a crafted file.

References

https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DJIW6KKY2TSLD43XEZXG56WREIIBUIIQ/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UKIMSD5FIC3QFJDKNHR2PSO6JYJGCLHB/
https://security.netapp.com/advisory/ntap-20210115-0003/
https://sourceware.org/bugzilla/show_bug.cgi?id=25823
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=7ecb51549ab1ec22aba5aaf34b70323cf0b8509a

Vulnerable Configurations

cpe:2.3:a:gnu:binutils:2.34:*:*:*:*:*:*:*
cpe:2.3:a:gnu:binutils:2.34:*:*:*:*:*:*:*

CVSS

Base:	4.3 (as of 15-01-2021 - 11:15)
Impact:
Exploitability:

CWE

CWE-416

CAPEC

Access

Vector	Complexity	Authentication
NETWORK	MEDIUM	NONE

Impact

Confidentiality	Integrity	Availability
NONE	NONE	PARTIAL

cvss-vector via4

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

refmap via4

confirm	https://security.netapp.com/advisory/ntap-20210115-0003/
fedora	FEDORA-2020-18ec0bf4bb FEDORA-2020-f903e139b1
misc	https://sourceware.org/bugzilla/show_bug.cgi?id=25823 https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=7ecb51549ab1ec22aba5aaf34b70323cf0b8509a

Last major update

15-01-2021 - 11:15

Published

09-12-2020 - 21:15

Last modified

15-01-2021 - 11:15