CVE-2022-3970
Description
An integer overflow flaw was found in LibTIFF. This issue exists in the TIFFReadRGBATileExt function of the libtiff/tif_getimage.c file, and may lead to a buffer overflow.
Statement
Red Hat Product security rated this issue having Moderate security impact as the exploitation of this issue will most likely to cause a denial of service attack. The score is based on the worst case scenario that an attacker might use the integer overflow to trigger other vulnerabilities such as buffer overflow, that could result in more adverse effects.
Common Vulnerability Scoring System (CVSS) Score Details
Info alert:Important note
CVSS scores for open source components depend on vendor-specific factors (e.g. version or build chain). Therefore, Red Hat's score and impact rating can be different from NVD and other vendors. Red Hat remains the authoritative CVE Naming Authority (CNA) source for its products and services (see Red Hat classifications).
CVSS v3 Score Breakdown
| Red Hat | NVD | cve.org | |
|---|---|---|---|
| Base Score | 8.8 | 8.8 | 6.3 |
| Attack Vector | Network | Network | Network |
| Attack Complexity | Low | Low | Low |
| Privileges Required | None | None | None |
| User Interaction | Required | Required | Required |
| Scope | Unchanged | Unchanged | Unchanged |
| Confidentiality | High | High | Low |
| Integrity Impact | High | High | Low |
| Availability Impact | High | High | Low |
Vector
Red Hat: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
cve.org: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
Red Hat CVSS v3 Score Explanation
Setting UI:R, because, in order to open/pass the specially crafted TIFF file, the user interaction is must.
Understanding the Weakness (CWE)
Integrity,Availability,Confidentiality
Technical Impact: Modify Memory; DoS: Crash, Exit, or Restart; Execute Unauthorized Code or Commands
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