CVE-2020-27770
Global infos:
Due to a missing check for 0 value of `replace_extent`, it is possible for offset `p` to overflow in SubstituteString(), causing potential impact to application availability. This could be triggered by a crafted input file that is processed by ImageMagick. This flaw affects ImageMagick versions prior to 7.0.8-68.
CVE Status: Modified
References:
Metrics:
| Attribute | Value |
|---|---|
| Attack Complexity | LOW |
| Attack Vector | LOCAL |
| Availability Impact | HIGH |
| Base Score | 5.5 |
| Base Severity | MEDIUM |
| Confidentiality Impact | NONE |
| Integrity Impact | NONE |
| Privileges Required | NONE |
| Scope | UNCHANGED |
| User Interaction | REQUIRED |
| Vector String | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
| Exploitability Score | 1.8 |
| Impact Score | 3.6 |
| Source | [email protected] |
| Type | Primary |