KLA12352
Multiple vulnerabilities in Mozilla Thunderbird

Updated: 11/25/2021
Detect date
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11/03/2021
Severity
?
High
Description

Multiple vulnerabilities were found in Mozilla Thunderbird. Malicious users can exploit these vulnerabilities to bypass security restrictions, obtain sensitive information, execute arbitrary code, cause denial of service, spoof user interface.

Below is a complete list of vulnerabilities:

  1. Security vulnerability in iframe sandbox rules can be exploited to bypass security restrictions.
  2. Information disclosure vulnerability in Cloud Clipboard for Windows can be exploited to obtain sensitive information.
  3. Code execution vulnerability for MacOS can be exploited via special .inetloc files to execute arbitrary code.
  4. Use after free vulnerability in file picker dialog can be exploited to cause denial of service.
  5. Security UI vulnerability in Javascript alert box can be exploited to spoof user interface.
  6. Security UI vulnerability can be exploited to spoof user interface or obtain sensitive information.
  7. Security vulnerability can be exploited to bypass security restrictions and spoof user interface.
  8. Security bypass vulnerability in HTTP2 can be exploited to bypass security restrictions.
Affected products

Mozilla Thunderbird earlier than 91.3

Solution

Update to the latest version
Download Thunderbird

Original advisories

MFSA2021-51

Impacts
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ACE 
[?]

OSI 
[?]

DoS 
[?]

SB 
[?]

SUI 
[?]
Related products
Mozilla Thunderbird
CVE-IDS
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CVE-2021-385050.0Unknown
CVE-2021-385060.0Unknown
CVE-2021-385030.0Unknown
CVE-2021-385100.0Unknown
CVE-2021-385040.0Unknown
CVE-2021-385080.0Unknown
CVE-2021-385070.0Unknown
CVE-2021-385090.0Unknown
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