CVE-2020-25643

CVSS V2 High 7.5 CVSS V3 High 7.2
Description
A flaw was found in the HDLC_PPP module of the Linux kernel in versions before 5.9-rc7. Memory corruption and a read overflow is caused by improper input validation in the ppp_cp_parse_cr function which can cause the system to crash or cause a denial of service. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
Overview
  • CVE ID
  • CVE-2020-25643
  • Assigner
  • secalert@redhat.com
  • Vulnerability Status
  • Undergoing Analysis
  • Published Version
  • 2020-10-06T14:15:12
  • Last Modified Date
  • 2022-10-25T16:55:22
Weakness Enumerations
CWE URL
CWE-20 http://cwe.mitre.org/data/definitions/20.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
AND
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 1 OR 5.8.13
cpe:2.3:o:linux:linux_kernel:5.9.0:rc1:*:*:*:*:*:* 1 OR
cpe:2.3:o:linux:linux_kernel:5.9.0:rc2:*:*:*:*:*:* 1 OR
cpe:2.3:o:linux:linux_kernel:5.9.0:rc3:*:*:*:*:*:* 1 OR
cpe:2.3:o:linux:linux_kernel:5.9.0:rc4:*:*:*:*:*:* 1 OR
cpe:2.3:o:linux:linux_kernel:5.9.0:rc5:*:*:*:*:*:* 1 OR
cpe:2.3:o:linux:linux_kernel:5.9.0:rc6:*:*:*:*:*:* 1 OR
AND
cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* 1 OR
AND
cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:* 1 OR
AND
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* 1 OR
AND
cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:* 1 OR
AND
cpe:2.3:o:netapp:h410c_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:netapp:h410c:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:a:starwindsoftware:starwind_virtual_san:v8:build12533:*:*:*:vsphere:*:* 1 OR
cpe:2.3:a:starwindsoftware:starwind_virtual_san:v8:build12658:*:*:*:vsphere:*:* 1 OR
cpe:2.3:a:starwindsoftware:starwind_virtual_san:v8:build12859:*:*:*:vsphere:*:* 1 OR
cpe:2.3:a:starwindsoftware:starwind_virtual_san:v8:build13170:*:*:*:vsphere:*:* 1 OR
cpe:2.3:a:starwindsoftware:starwind_virtual_san:v8:build13586:*:*:*:vsphere:*:* 1 OR
cpe:2.3:a:starwindsoftware:starwind_virtual_san:v8:build13861:*:*:*:vsphere:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:M/Au:S/C:P/I:P/A:C
  • Access Vector
  • NETWORK
  • Access Compatibility
  • MEDIUM
  • Authentication
  • SINGLE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • COMPLETE
  • Base Score
  • 7.5
  • Severity
  • HIGH
  • Exploitability Score
  • 6.8
  • Impact Score
  • 8.5
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • HIGH
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 7.2
  • Base Severity
  • HIGH
  • Exploitability Score
  • 1.2
  • Impact Score
  • 5.9
References
Reference URL Reference Tags
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00021.html Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00042.html Mailing List Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1879981 Issue Tracking Patch Third Party Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=66d42ed8b25b64eb63111a2b8582c5afc8bf1105 Mailing List Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/10/msg00028.html Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/10/msg00032.html Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/10/msg00034.html Mailing List Third Party Advisory
https://security.netapp.com/advisory/ntap-20201103-0002/ Third Party Advisory
https://www.debian.org/security/2020/dsa-4774 Third Party Advisory
https://www.starwindsoftware.com/security/sw-20210325-0002/ Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2020-25643
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-25643
History
Created Old Value New Value Data Type Notes
2022-05-10 06:51:09 Added to TrackCVE
2022-12-04 23:45:47 2020-10-06T14:15Z 2020-10-06T14:15:12 CVE Published Date updated
2022-12-04 23:45:47 2022-10-25T16:55:22 CVE Modified Date updated
2022-12-04 23:45:47 Analyzed Vulnerability Status updated
2022-12-04 23:45:51 References updated
2023-04-18 18:06:43 Analyzed Undergoing Analysis Vulnerability Status updated