Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

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.

Published

2019-01-01T16:29:00.343

Last Modified

2024-11-21T04:01:56.270

Status

Modified

Source

[email protected]

Severity

CVSSv3.0: 5.5 (MEDIUM)

CVSSv2 Vector

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

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

8.6

Impact Score

2.9

Weaknesses

Type: Primary
CWE-476

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	gnu	binutils	2.31.1	Yes

References

http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00072.html ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00008.html ([email protected])
http://www.securityfocus.com/bid/106440 Third Party Advisory, VDB Entry ([email protected])
https://security.gentoo.org/glsa/201908-01 ([email protected])
https://sourceware.org/bugzilla/show_bug.cgi?id=24041 Exploit, Issue Tracking, Third Party Advisory ([email protected])
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git%3Bh=54025d5812ff100f5f0654eb7e1ffd50f2e37f5f ([email protected])
https://support.f5.com/csp/article/K38336243 Third Party Advisory ([email protected])
https://usn.ubuntu.com/4336-1/ ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00072.html (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00008.html (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/106440 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://security.gentoo.org/glsa/201908-01 (af854a3a-2127-422b-91ae-364da2661108)
https://sourceware.org/bugzilla/show_bug.cgi?id=24041 Exploit, Issue Tracking, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git%3Bh=54025d5812ff100f5f0654eb7e1ffd50f2e37f5f (af854a3a-2127-422b-91ae-364da2661108)
https://support.f5.com/csp/article/K38336243 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://usn.ubuntu.com/4336-1/ (af854a3a-2127-422b-91ae-364da2661108)