Multiple vulnerabilities in Mozilla Firefox and Mozilla Firefox ESR

Description

Multiple serious vulnerabilities were found in Mozilla Firefox and Mozilla Firefox ESR. Malicious users can exploit these vulnerabilities to execute arbitrary code, cause denial of service, bypass security restrictions. Below is a complete list of vulnerabilities:

1. An use after free vulnerability in refresh driver timers can be exploited remotely to execute arbitrary code or cause denial of service;
2. An use after free vulnerability in IndexedDB can be exploited remotely to execute arbitrary code or cause denial of service;
3. An out-of-bounds write vulnerability in Mozilla Updater can be exploited remotely via malicious MAR file to execute arbitrary code or cause denial of service;
4. Multiple memory corruptions vulnerabilities can be exploited remotely to execute arbitrary code.

Original advisories

• Mozilla Foundation Security Advisory 2018-20

• Mozilla Foundation Security Advisory 2018-21

Exploitation

Public exploits exist for this vulnerability.

Related products

• Mozilla-Firefox
• Mozilla-Firefox-ESR

CVE list

• CVE-2018-12377
  critical
• CVE-2018-12378
  critical
• CVE-2018-12379
  critical
• CVE-2017-16541
  high
• CVE-2018-12381
  high
• CVE-2018-12382
  high
• CVE-2018-12383
  high
• CVE-2018-12375
  critical
• CVE-2018-12376
  critical
• CVE-2018-18499
  high

Read more

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