NVD Vulnerability Detail

CVE-2018-20651

Summary	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.
Publication Date	Jan. 2, 2019, 1:29 a.m.
Registration Date	March 1, 2021, 7:17 p.m.
Last Update	Nov. 21, 2024, 1:01 p.m.

Affected software configurations

Configuration1		or higher	or less	more than	less than
cpe:2.3:a:gnu:binutils:2.31.1:::::::*

Related information, measures and tools

No	URL	タグ
1	http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00072.html
2	http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00072.html
3	http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00008.html
4	http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00008.html
5	http://www.securityfocus.com/bid/106440	Third Party Advisory VDB Entry
6	http://www.securityfocus.com/bid/106440	Third Party Advisory VDB Entry
7	https://security.gentoo.org/glsa/201908-01
8	https://security.gentoo.org/glsa/201908-01
9	https://sourceware.org/bugzilla/show_bug.cgi?id=24041	Exploit Issue Tracking Third Party Advisory
10	https://sourceware.org/bugzilla/show_bug.cgi?id=24041	Exploit Issue Tracking Third Party Advisory
11	https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git%3Bh=54025d5812ff100f5f0654eb7e1ffd50f2e37f5f
12	https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git%3Bh=54025d5812ff100f5f0654eb7e1ffd50f2e37f5f
13	https://support.f5.com/csp/article/K38336243	Third Party Advisory
14	https://support.f5.com/csp/article/K38336243	Third Party Advisory
15	https://usn.ubuntu.com/4336-1/
16	https://usn.ubuntu.com/4336-1/

Common Vulnerabilities List

No	CWE	Name	URL
1	CWE-476	NULL ポインタデリファレンス	https://cwe.mitre.org/data/definitions/476.html

JVN Vulnerability Information

GNU Binutils における NULL ポインタデリファレンスに関する脆弱性

Title	GNU Binutils における NULL ポインタデリファレンスに関する脆弱性
Summary	GNU Binutils には、NULL ポインタデリファレンスに関する脆弱性が存在します。
Possible impacts	サービス運用妨害 (DoS) 状態にされる可能性があります。
Solution	ベンダより正式な対策が公開されています。ベンダ情報を参照して適切な対策を実施してください。
Publication Date	Dec. 31, 2018, midnight
Registration Date	Feb. 27, 2019, 2:26 p.m.
Last Update	Feb. 27, 2019, 2:26 p.m.

Affected System

GNU Project

GNU Binutils 2.31.1

CVE (情報セキュリティ共通脆弱性識別子)

No	Name	URL
Common Vulnerabilities and Exposures (CVE)
1	CVE-2018-20651	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20651
2	CVE-2018-20651	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20651
National Vulnerability Database (NVD)
3	CVE-2018-20651	https://nvd.nist.gov/vuln/detail/CVE-2018-20651
4	CVE-2018-20651	https://nvd.nist.gov/vuln/detail/CVE-2018-20651

CWE (共通脆弱性タイプ一覧)

No	Name	URL
JVNDB
1	CWE-476	http://cwe.mitre.org/data/definitions/476.html
2	CWE-476	http://cwe.mitre.org/data/definitions/476.html

ベンダー情報

No	Name	URL
Sourceware Bugzilla
1	Bug 24041	https://sourceware.org/bugzilla/show_bug.cgi?id=24041
2	Bug 24041	https://sourceware.org/bugzilla/show_bug.cgi?id=24041
sourceware.org
3	PR24041, Invalid Memory Address Dereference in elf_link_add_object_symbols	https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=54025d5812ff100f5f0654eb7e1ffd50f2e37f5f
4	PR24041, Invalid Memory Address Dereference in elf_link_add_object_symbols	https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=54025d5812ff100f5f0654eb7e1ffd50f2e37f5f

Change Log

No	Changed Details	Date of change
1	[2019年02月27日] 掲載	Feb. 27, 2019, 2:26 p.m.