CVE-2018-20651
low-risk
Published 2019-01-01
A NULL pointer dereference was discovered in elf_link_add_object_symbols in elflink.c in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.31.1. This occurs for a crafted ET_DYN with no program headers. A specially crafted ELF file allows remote attackers to cause a denial of service, as demonstrated by ld.
Do I need to act?
-
0.76% chance of exploitation
EPSS score — low exploit probability
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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
References (16)
Third Party Advisory
http://www.securityfocus.com/bid/106440
Third Party Advisory
https://support.f5.com/csp/article/K38336243
Third Party Advisory
http://www.securityfocus.com/bid/106440
Third Party Advisory
https://support.f5.com/csp/article/K38336243
26
/ 100
low-risk
Severity
18/34 · Moderate
Exploitability
3/34 · Minimal
Exposure
5/34 · Minimal