CVE-2018-20651
CVSS V2 Medium 4.3
CVSS V3 Medium 5.5
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.
Overview
- CVE ID
- CVE-2018-20651
- Assigner
- cve@mitre.org
- Vulnerability Status
- Modified
- Published Version
- 2019-01-01T16:29:00
- Last Modified Date
- 2019-08-03T13:15:19
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:gnu:binutils:2.31.1:*:*:*:*:*:*:* | 1 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:M/Au:N/C:N/I:N/A:P
- Access Vector
- NETWORK
- Access Compatibility
- MEDIUM
- Authentication
- NONE
- Confidentiality Impact
- NONE
- Integrity Impact
- NONE
- Availability Impact
- PARTIAL
- Base Score
- 4.3
- Severity
- MEDIUM
- Exploitability Score
- 8.6
- Impact Score
- 2.9
CVSS Version 3
- Version
- 3.0
- Vector String
- CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- Attack Vector
- LOCAL
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- REQUIRED
- Scope
- UNCHANGED
- Confidentiality Impact
- NONE
- Availability Impact
- HIGH
- Base Score
- 5.5
- Base Severity
- MEDIUM
- Exploitability Score
- 1.8
- Impact Score
- 3.6
References
| Reference URL | Reference Tags |
|---|---|
| https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=54025d5812ff100f5f0654eb7e1ffd50f2e37f5f | Patch Third Party Advisory |
| https://sourceware.org/bugzilla/show_bug.cgi?id=24041 | Exploit Issue Tracking Third Party Advisory |
| http://www.securityfocus.com/bid/106440 | Third Party Advisory VDB Entry |
| https://support.f5.com/csp/article/K38336243 | Third Party Advisory |
| https://security.gentoo.org/glsa/201908-01 | |
| http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00072.html | |
| http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00008.html | |
| https://usn.ubuntu.com/4336-1/ |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2018-20651 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20651 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 17:39:39 | Added to TrackCVE | |||
| 2022-12-03 15:55:51 | 2019-01-01T16:29Z | 2019-01-01T16:29:00 | CVE Published Date | updated |
| 2022-12-03 15:55:51 | 2019-08-03T13:15:19 | CVE Modified Date | updated | |
| 2022-12-03 15:55:51 | Modified | Vulnerability Status | updated |