CVE-2020-14315

CVSS V2 High 7.5 CVSS V3 Critical 9.8
Description
A memory corruption vulnerability is present in bspatch as shipped in Colin Percival’s bsdiff tools version 4.3. Insufficient checks when handling external inputs allows an attacker to bypass the sanity checks in place and write out of a dynamically allocated buffer boundaries.
Overview
  • CVE ID
  • CVE-2020-14315
  • Assigner
  • secalert@redhat.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2020-09-16T14:15:12
  • Last Modified Date
  • 2022-01-01T18:38:25
Weakness Enumerations
CWE URL
CWE-787 http://cwe.mitre.org/data/definitions/787.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:daemonology:bsdiff:4.3:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:P/I:P/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • PARTIAL
  • Base Score
  • 7.5
  • Severity
  • HIGH
  • Exploitability Score
  • 10
  • Impact Score
  • 6.4
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 9.8
  • Base Severity
  • CRITICAL
  • Exploitability Score
  • 3.9
  • Impact Score
  • 5.9
References
Reference URL Reference Tags
https://bugzilla.redhat.com/show_bug.cgi?id=1856747 Issue Tracking Third Party Advisory
https://www.openwall.com/lists/oss-security/2020/07/09/2 Mailing List Third Party Advisory
https://www.x41-dsec.de/lab/advisories/x41-2020-006-bspatch/ Exploit Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2020-14315
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-14315
History
Created Old Value New Value Data Type Notes
2022-05-10 06:39:44 Added to TrackCVE
2022-12-04 22:42:21 2020-09-16T14:15Z 2020-09-16T14:15:12 CVE Published Date updated
2022-12-04 22:42:21 2022-01-01T18:38:25 CVE Modified Date updated
2022-12-04 22:42:21 Analyzed Vulnerability Status updated