SB2023071105 - Ubuntu update for thunderbird
Published: July 11, 2023
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 7 secuirty vulnerabilities.
1) Spoofing attack (CVE-ID: CVE-2023-34414)
The vulnerability allows a remote attacker to perform spoofing attack.
The vulnerability exists due to incorrect processing of user-supplied data when displaying certificate exceptions. The error page for sites with invalid TLS certificates was missing the activation-delay Firefox uses to protect prompts and permission dialogs from attacks that exploit human response time delays. If a malicious page elicited user clicks in precise locations immediately before navigating to a site with a certificate error and made the renderer extremely busy at the same time, it could create a gap between when the error page was loaded and when the display actually refreshed.
With the right timing the elicited clicks could land in that gap and activate the button that overrides the certificate error for that site.
2) Buffer overflow (CVE-ID: CVE-2023-34416)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error when processing HTML content. A remote attacker can create a specially crafted website, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
3) Use-after-free (CVE-ID: CVE-2023-37201)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error in WebRTC. A remote attacker can trick the victim to visit a specially crafted website, trigger a use-after-free error and execute arbitrary code on the system.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
4) Use-after-free (CVE-ID: CVE-2023-37202)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error in Cross-compartment wrappers. A remote attacker can trick the victim to open a specially crafted website, trigger a use-after-free error and execute arbitrary code on the system.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
5) Insufficient UI Warning of Dangerous Operations (CVE-ID: CVE-2023-37207)
The vulnerability allows a remote attacker to perform spoofing attack.
The vulnerability exists due to the way fullscreen notifications are handled within the browser. A remote attacker can trick the victim to visit a specially crafted website that can obscure the fullscreen notification by using a URL
with a scheme handled by an external program, such as a mailto URL, and perform spoofing attack.
6) Insufficient UI Warning of Dangerous Operations (CVE-ID: CVE-2023-37208)
The vulnerability allows a remote attacker to perform spoofing attack.
The vulnerability exists due to a missing warning when opening Diagcab files. A remote attacker can trick the victim into downloading a malicious Diagcab file and compromise the affected system.
7) Buffer overflow (CVE-ID: CVE-2023-37211)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error when processing HTML content. A remote attacker can trick the victim to open a specially crafted website, trigger memory corruption and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Remediation
Install update from vendor's website.