CVE-2019-8956
CVSS V2 High 7.2
CVSS V3 High 7.8
Description
In the Linux Kernel before versions 4.20.8 and 4.19.21 a use-after-free error in the "sctp_sendmsg()" function (net/sctp/socket.c) when handling SCTP_SENDALL flag can be exploited to corrupt memory.
Overview
- CVE ID
- CVE-2019-8956
- Assigner
- PSIRT-CNA@flexerasoftware.com
- Vulnerability Status
- Analyzed
- Published Version
- 2019-04-01T19:29:01
- Last Modified Date
- 2023-02-24T18:43:10
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 1 | OR | 4.19.21 | |
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 1 | OR | 4.19.22 | 4.20.8 |
| cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* | 1 | OR | ||
| cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:* | 1 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:L/AC:L/Au:N/C:C/I:C/A:C
- Access Vector
- LOCAL
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- COMPLETE
- Integrity Impact
- COMPLETE
- Availability Impact
- COMPLETE
- Base Score
- 7.2
- Severity
- HIGH
- Exploitability Score
- 3.9
- Impact Score
- 10
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Attack Vector
- LOCAL
- Attack Compatibility
- LOW
- Privileges Required
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- HIGH
- Base Score
- 7.8
- Base Severity
- HIGH
- Exploitability Score
- 1.8
- Impact Score
- 5.9
References
| Reference URL | Reference Tags |
|---|---|
| https://secuniaresearch.flexerasoftware.com/secunia_research/2019-5/ | Broken Link |
| https://git.kernel.org/cgit/linux/kernel/git/stable/linux-stable.git/commit/?id=ba59fb0273076637f0add4311faa990a5eec27c0 | Mailing List Patch Vendor Advisory |
| https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.20.8 | Release Notes Vendor Advisory |
| https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.21 | Release Notes Vendor Advisory |
| https://usn.ubuntu.com/3930-2/ | Third Party Advisory |
| https://usn.ubuntu.com/3930-1/ | Third Party Advisory |
| https://support.f5.com/csp/article/K12671141 | Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2019-8956 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-8956 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 06:29:41 | Added to TrackCVE | |||
| 2022-12-03 18:54:25 | 2019-04-01T19:29Z | 2019-04-01T19:29:01 | CVE Published Date | updated |
| 2022-12-03 18:54:25 | 2022-04-05T20:47:34 | CVE Modified Date | updated | |
| 2022-12-03 18:54:25 | Analyzed | Vulnerability Status | updated | |
| 2023-02-23 17:08:08 | Analyzed | Undergoing Analysis | Vulnerability Status | updated |
| 2023-02-23 17:08:09 | Weakness Enumeration | update | ||
| 2023-02-24 19:08:46 | 2023-02-24T18:43:10 | CVE Modified Date | updated | |
| 2023-02-24 19:08:46 | Undergoing Analysis | Analyzed | Vulnerability Status | updated |