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 cause denial of service, obtain sensitive information, bypass security restrictions, execute arbitrary code.

Below is a complete list of vulnerabilities:

1. Buffer overflow vulnerability related to ANGLE graphics library can be exploited via using VertexBuffer11 module to cause denial of service;
2. A buffer overflow and out-of-bounds read vulnerability related to ANGLE graphics library can be exploited via using TextureStorage11 module to cause denial of service;
3. A use-after-free vulnerability related to select elements can be exploited to cause denial of service;
4. A buffer overflow vulnerability in the Skia library can be exploited to cause denial of service;
5. Unspecified vulnerability related to performance.getEntries() can be exploited via theft of cross-origin URL entries to obtain sensitive information and bypass security restrictions;
6. Unspecified vulnerability related to WebExtension content scripts can be exploited to bypass security restrictions;
7. Unspecified vulnerability related to RSS Feed preview content scripts can be exploited to bypass security restrictions;
8. Unspecified vulnerability related to WebExtension content scripts can be exploited to bypass security restrictions;
9. Integer overflow potential vulnerability related to buffer size calculations for images can be exploited to cause denial of service;
10. Multiple memory corruptions vulnerabilities can be exploited remotely to execute arbitrary code.

---

Technical details

Vulnerability (7) only affects Windows operating systems. Other operating systems are not affected.

Original advisories

• Mozilla Foundation Security Advisory 2018-29

• Mozilla Foundation Security Advisory 2018-30

Exploitation

Malware exists for this vulnerability. Usually such malware is classified as Exploit. More details.

Related products

• Mozilla-Firefox
• Mozilla-Firefox-ESR

CVE list

• CVE-2018-17466
  high
• CVE-2018-12407
  critical
• CVE-2018-18492
  critical
• CVE-2018-18493
  critical
• CVE-2018-18494
  warning
• CVE-2018-18495
  warning
• CVE-2018-18496
  high
• CVE-2018-18497
  warning
• CVE-2018-18498
  critical
• CVE-2018-18406
  high
• CVE-2018-18405
  warning
• CVE-2018-12405
  critical
• CVE-2018-18510
  warning
• CVE-2018-12406
  high

Read more

Find out the statistics of the vulnerabilities spreading in your region on statistics.securelist.com