CVE-2021-30501

CVSS V2 Medium 4.3 CVSS V3 Medium 5.5
Description
An assertion abort was found in upx MemBuffer::alloc() in mem.cpp, in version UPX 4.0.0. The flow allows attackers to cause a denial of service (abort) via a crafted file.
Overview
  • CVE ID
  • CVE-2021-30501
  • Assigner
  • secalert@redhat.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-05-27T00:15:08
  • Last Modified Date
  • 2022-10-25T19:23:28
Weakness Enumerations
CWE URL
CWE-617 http://cwe.mitre.org/data/definitions/617.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:upx_project:upx:4.0.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:M/Au:N/C:N/I:N/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • MEDIUM
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • PARTIAL
  • Base Score
  • 4.3
  • Severity
  • MEDIUM
  • Exploitability Score
  • 8.6
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • REQUIRED
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 5.5
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 1.8
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://bugzilla.redhat.com/show_bug.cgi?id=1948696 Issue Tracking Patch Third Party Advisory
https://github.com/upx/upx/issues/486 Exploit Issue Tracking Third Party Advisory
https://github.com/upx/upx/pull/487 Exploit Patch Third Party Advisory
https://github.com/upx/upx/commit/28e761cd42211dfe0124b7a29b2f74730f453e46 Patch Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-30501
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30501
History
Created Old Value New Value Data Type Notes
2022-05-10 07:12:22 Added to TrackCVE
2022-12-05 03:06:30 2021-05-27T00:15Z 2021-05-27T00:15:08 CVE Published Date updated
2022-12-05 03:06:30 2022-10-25T19:23:28 CVE Modified Date updated
2022-12-05 03:06:30 Analyzed Vulnerability Status updated