CVE-2021-45960
CVSS V2 High 9
CVSS V3 High 8.8
Description
In Expat (aka libexpat) before 2.4.3, a left shift by 29 (or more) places in the storeAtts function in xmlparse.c can lead to realloc misbehavior (e.g., allocating too few bytes, or only freeing memory).
Overview
- CVE ID
- CVE-2021-45960
- Assigner
- cve@mitre.org
- Vulnerability Status
- Analyzed
- Published Version
- 2022-01-01T19:15:08
- Last Modified Date
- 2022-10-06T19:08:03
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:libexpat_project:libexpat:*:*:*:*:*:*:*:* | 1 | OR | 2.4.3 | |
| cpe:2.3:a:tenable:nessus:*:*:*:*:*:*:*:* | 1 | OR | 8.15.3 | |
| cpe:2.3:a:tenable:nessus:*:*:*:*:*:*:*:* | 1 | OR | 10.0.0 | 10.1.1 |
| cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:siemens:sinema_remote_connect_server:*:*:*:*:*:*:*:* | 1 | OR | 3.1 | |
| cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:vmware_vsphere:*:* | 1 | OR | ||
| cpe:2.3:a:netapp:hci_baseboard_management_controller:h610c:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:netapp:hci_baseboard_management_controller:h610s:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:netapp:hci_baseboard_management_controller:h615c:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:netapp:oncommand_workflow_automation:-:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:netapp:solidfire_\&_hci_management_node:-:*:*:*:*:*:*:* | 1 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:S/C:C/I:C/A:C
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- SINGLE
- Confidentiality Impact
- COMPLETE
- Integrity Impact
- COMPLETE
- Availability Impact
- COMPLETE
- Base Score
- 9
- Severity
- HIGH
- Exploitability Score
- 8
- Impact Score
- 10
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- HIGH
- Base Score
- 8.8
- Base Severity
- HIGH
- Exploitability Score
- 2.8
- Impact Score
- 5.9
References
| Reference URL | Reference Tags |
|---|---|
| http://www.openwall.com/lists/oss-security/2022/01/17/3 | Exploit Mailing List Third Party Advisory |
| https://bugzilla.mozilla.org/show_bug.cgi?id=1217609 | Issue Tracking Permissions Required Third Party Advisory |
| https://cert-portal.siemens.com/productcert/pdf/ssa-484086.pdf | Patch Third Party Advisory |
| https://github.com/libexpat/libexpat/issues/531 | Exploit Issue Tracking Patch Third Party Advisory |
| https://github.com/libexpat/libexpat/pull/534 | Patch Third Party Advisory |
| https://security.gentoo.org/glsa/202209-24 | Third Party Advisory |
| https://security.netapp.com/advisory/ntap-20220121-0004/ | Third Party Advisory |
| https://www.debian.org/security/2022/dsa-5073 | Issue Tracking Third Party Advisory |
| https://www.tenable.com/security/tns-2022-05 | Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-45960 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-45960 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 15:45:33 | Added to TrackCVE | |||
| 2022-12-06 05:27:15 | 2022-01-01T19:15Z | 2022-01-01T19:15:08 | CVE Published Date | updated |
| 2022-12-06 05:27:15 | 2022-10-06T19:08:03 | CVE Modified Date | updated | |
| 2022-12-06 05:27:15 | Analyzed | Vulnerability Status | updated | |
| 2022-12-06 05:27:21 | References | updated |