CVE-2018-20102
CVSS V2 Medium 5
CVSS V3 High 7.5
Description
An out-of-bounds read in dns_validate_dns_response in dns.c was discovered in HAProxy through 1.8.14. Due to a missing check when validating DNS responses, remote attackers might be able read the 16 bytes corresponding to an AAAA record from the non-initialized part of the buffer, possibly accessing anything that was left on the stack, or even past the end of the 8193-byte buffer, depending on the value of accepted_payload_size.
Overview
- CVE ID
- CVE-2018-20102
- Assigner
- cve@mitre.org
- Vulnerability Status
- Modified
- Published Version
- 2018-12-12T17:29:00
- Last Modified Date
- 2022-06-02T14:15:26
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:haproxy:haproxy:*:*:*:*:*:*:*:* | 1 | OR | 1.8.14 | |
| cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* | 1 | OR | ||
| cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* | 1 | OR | ||
| cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:redhat:openshift_container_platform:3.11:*:*:*:*:*:*:* | 1 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:N/C:P/I:N/A:N
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- NONE
- Availability Impact
- NONE
- Base Score
- 5
- Severity
- MEDIUM
- Exploitability Score
- 10
- Impact Score
- 2.9
CVSS Version 3
- Version
- 3.0
- Vector String
- CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- NONE
- Base Score
- 7.5
- Base Severity
- HIGH
- Exploitability Score
- 3.9
- Impact Score
- 3.6
References
| Reference URL | Reference Tags |
|---|---|
| http://git.haproxy.org/?p=haproxy.git;a=commit;h=efbbdf72992cd20458259962346044cafd9331c0 | Third Party Advisory Patch |
| http://www.securityfocus.com/bid/106223 | Third Party Advisory VDB Entry |
| https://access.redhat.com/errata/RHBA-2019:0326 | Third Party Advisory |
| https://access.redhat.com/errata/RHBA-2019:0327 | Third Party Advisory |
| https://access.redhat.com/errata/RHSA-2019:1436 | |
| https://lists.debian.org/debian-lts-announce/2022/05/msg00045.html | |
| https://usn.ubuntu.com/3858-1/ | Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2018-20102 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20102 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 07:50:38 | Added to TrackCVE | |||
| 2022-12-03 15:19:08 | 2018-12-12T17:29Z | 2018-12-12T17:29:00 | CVE Published Date | updated |
| 2022-12-03 15:19:08 | 2022-06-02T14:15:26 | CVE Modified Date | updated | |
| 2022-12-03 15:19:08 | Modified | Vulnerability Status | updated | |
| 2022-12-03 15:19:11 | References | updated |