Strix
26.1K

CVE-2018-20651

UnknownEPSS 2.26%

Last modified

CVE-2018-20651 is a vulnerability of currently unknown severity. 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. EPSS estimates a 2.26% chance of exploitation in the next 30 days.

Description

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.

Metrics

EPSS Probability
2.26%

80.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
GnuBinutils2.31.1

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2018-20651?
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.
How severe is CVE-2018-20651?
Severity scoring for CVE-2018-20651 is pending analysis. The EPSS model estimates a 2.26% probability of exploitation in the next 30 days.
How do I fix CVE-2018-20651?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-20651?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST