Arbitrary Code Execution Vulnerability in libX11's XCreateImage() Function

CVE-2023-43787
7.8HIGH

Key Information

Vendor
Red Hat
Status
Red Hat Enterprise Linux 8
Red Hat Enterprise Linux 9
Red Hat Enterprise Linux 6
Red Hat Enterprise Linux 7
Vendor
CVE Published:
10 October 2023

Badges

👾 Exploit Exists📰 News Worthy

Summary

A vulnerability was found in libX11 due to an integer overflow within the XCreateImage() function. This flaw allows a local user to trigger an integer overflow and execute arbitrary code with elevated privileges.

Affected Version(s)

Red Hat Enterprise Linux 8 <= 0:1.6.8-8.el8

Red Hat Enterprise Linux 9 <= 0:1.7.0-9.el9

News Articles

favicon imageJFrog

CVE-2023-43786 & CVE-2023-43787 Vulns in libX11: All You Need To Know

Learn all about the 35-year-old vulnerabilities found by our Security Team in libX11, causing a denial-of-service and remote code execution.

8 months ago

favicon imageJFrog

CVE-2023-43786 & CVE-2023-43787 Vulns in libX11: All You Need To Know

Learn all about the 35-year-old vulnerabilities found by our Security Team in libX11, causing a denial-of-service and remote code execution.

8 months ago

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • 👾

    Exploit exists.

  • First article discovered by JFrog

  • Vulnerability published.

  • Reported to Red Hat.

  • Vulnerability Reserved.

Collectors

NVD DatabaseMitre Database2 News Article(s)
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