Executive Summary
| Informations | |||
|---|---|---|---|
| Name | CVE-2021-4217 | First vendor Publication | 2022-08-24 |
| Vendor | Cve | Last vendor Modification | 2022-11-29 |
Security-Database Scoring CVSS v3
| Cvss vector : CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L | |||
|---|---|---|---|
| Overall CVSS Score | 3.3 | ||
| Base Score | 3.3 | Environmental Score | 3.3 |
| impact SubScore | 1.4 | Temporal Score | 3.3 |
| Exploitabality Sub Score | 1.8 | ||
| Attack Vector | Local | Attack Complexity | Low |
| Privileges Required | None | User Interaction | Required |
| Scope | Unchanged | Confidentiality Impact | None |
| Integrity Impact | None | Availability Impact | Low |
| Calculate full CVSS 3.0 Vectors scores | |||
Security-Database Scoring CVSS v2
| Cvss vector : | |||
|---|---|---|---|
| Cvss Base Score | N/A | Attack Range | N/A |
| Cvss Impact Score | N/A | Attack Complexity | N/A |
| Cvss Expoit Score | N/A | Authentication | N/A |
| Calculate full CVSS 2.0 Vectors scores | |||
Detail
| A flaw was found in unzip. The vulnerability occurs due to improper handling of Unicode strings, which can lead to a null pointer dereference. This flaw allows an attacker to input a specially crafted zip file, leading to a crash or code execution. |
Original Source
| Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-4217 |
CWE : Common Weakness Enumeration
| % | Id | Name |
|---|---|---|
| 100 % | CWE-476 | NULL Pointer Dereference |
CPE : Common Platform Enumeration
| Type | Description | Count |
|---|---|---|
| Application | 1 | |
| Os | 1 | |
| Os | 4 |
Sources (Detail)
| Source | Url |
|---|---|
| MISC | https://access.redhat.com/security/cve/CVE-2021-4217 https://bugs.launchpad.net/ubuntu/+source/unzip/+bug/1957077 https://bugzilla.redhat.com/show_bug.cgi?id=2044583 |
Alert History
| Date | Informations |
|---|---|
| 2022-11-29 21:27:23 |
|
| 2022-08-29 17:27:12 |
|
| 2022-08-24 21:27:11 |
|
