CVE-2018-6759

low-risk
Published 2018-02-06

The bfd_get_debug_link_info_1 function in opncls.c in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.30, has an unchecked strnlen operation. Remote attackers could leverage this vulnerability to cause a denial of service (segmentation fault) via a crafted ELF file.

Do I need to act?

-
0.18% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.5/10 Medium
LOCAL / LOW complexity

Affected Products (1)

Affected Vendors

Gnu

References (10)

http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00072.html
http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00008.html
Third Party Advisory http://www.securityfocus.com/bid/103030
Third Party Advisory https://security.gentoo.org/glsa/201811-17
Issue Tracking https://sourceware.org/bugzilla/show_bug.cgi?id=22794
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00072.html
http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00008.html
Third Party Advisory http://www.securityfocus.com/bid/103030
Third Party Advisory https://security.gentoo.org/glsa/201811-17
Issue Tracking https://sourceware.org/bugzilla/show_bug.cgi?id=22794
24
/ 100
low-risk
Severity 18/34 · Moderate
Exploitability 1/34 · Minimal
Exposure 5/34 · Minimal