CVE-2019-19203
CVSS V2 Medium 5
CVSS V3 High 7.5
Description
An issue was discovered in Oniguruma 6.x before 6.9.4_rc2. In the function gb18030_mbc_enc_len in file gb18030.c, a UChar pointer is dereferenced without checking if it passed the end of the matched string. This leads to a heap-based buffer over-read.
Overview
- CVE ID
- CVE-2019-19203
- Assigner
- cve@mitre.org
- Vulnerability Status
- Analyzed
- Published Version
- 2019-11-21T21:15:11
- Last Modified Date
- 2020-02-18T16:30:56
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:oniguruma_project:oniguruma:*:*:*:*:*:*:*:* | 1 | OR | 6.0.0 | 6.9.4 |
| cpe:2.3:a:oniguruma_project:oniguruma:6.9.4:rc1:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:* | 1 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:N/C:N/I:N/A:P
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- NONE
- Integrity Impact
- NONE
- Availability Impact
- PARTIAL
- Base Score
- 5
- Severity
- MEDIUM
- Exploitability Score
- 10
- Impact Score
- 2.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- NONE
- Availability Impact
- HIGH
- Base Score
- 7.5
- Base Severity
- HIGH
- Exploitability Score
- 3.9
- Impact Score
- 3.6
References
| Reference URL | Reference Tags |
|---|---|
| https://github.com/kkos/oniguruma/releases/tag/v6.9.4_rc2 | Release Notes |
| https://github.com/kkos/oniguruma/issues/163 | Exploit Patch Third Party Advisory |
| https://github.com/ManhNDd/CVE-2019-19203 | Exploit Third Party Advisory |
| https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NO267PLHGYZSWX3XTRPKYBKD4J3YOU5V/ | Third Party Advisory |
| https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/V3MBNW6Z4DOXSCNWGBLQ7OA3OGUJ44WL/ | Third Party Advisory |
| https://github.com/tarantula-team/CVE-2019-19203 | Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2019-19203 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-19203 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 16:49:35 | Added to TrackCVE | |||
| 2022-12-04 06:44:43 | 2019-11-21T21:15Z | 2019-11-21T21:15:11 | CVE Published Date | updated |
| 2022-12-04 06:44:43 | 2020-02-18T16:30:56 | CVE Modified Date | updated | |
| 2022-12-04 06:44:43 | Analyzed | Vulnerability Status | updated |