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Rewterz Threat Advisory – CVE-2020-35112 – Mozilla Firefox Download Code Execution

Severity

High

Analysis Summary

CVE-2020-35112

Mozilla Firefox could allow a remote attacker to execute arbitrary code on the system, caused by an error when opening an extension-less download. By persuading a victim to visit a specially-crafted Web site, a remote attacker could exploit this vulnerability to launch an executable and execute arbitrary code on the vulnerable system or cause a denial of service.

Impact

  • Denial of service
  • Execute arbitrary code

Affected Vendors

Mozilla

Affected Products

  • Mozilla Thunderbird 78.5
  • Mozilla Firefox 83
  • Mozilla Firefox ESR 78.5

Remediation

Refer to Mozilla Foundation Security Advisory 2020-54 for patch, upgrade or suggested workaround information.

https://www.mozilla.org/en-US/security/advisories/mfsa2020-54/