Multiple vulnerabilities in Firefox ESR

Published: 2019-02-13 10:40:32
Severity High
Patch available YES
Number of vulnerabilities 3
CVE ID CVE-2018-18356
CVE-2019-5785
CVE-2018-18335
CVSSv3 5.7 [CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
7.7 [CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
8.3 [CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]
CWE ID CWE-416
CWE-190
CWE-122
Exploitation vector Network
Public exploit N/A
Vulnerable software Firefox ESR
Mozilla Firefox
Vulnerable software versions Firefox ESR 60.5
Firefox ESR 60.4
Firefox ESR 60.2.2

Show more

Mozilla Firefox ESR 60.5
Mozilla Firefox ESR 60.4
Mozilla Firefox ESR 60.2.2

Show more

Vendor URL Mozilla

Security Advisory

1) Use-after-free error

Description

The vulnerability allows a remote attacker to cause DoS condition on the target system.

The weakness exists due to use-after-free error in Skia when handling malicious input. A remote attacker can trick the victim into visiting a specially crafted website, trigger memory corruption and cause the browser to crash.

Remediation

Update to Firefox ESR 60.5.1.

External links

https://www.mozilla.org/en-US/security/advisories/mfsa2019-05/

2) Integer overflow

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to integer overflow in the Skia library. A remote attacker can create a specially crafted web page, trick the victim into visiting it, trigger integer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Remediation

Update to Firefox ESR 60.5.1.

External links

https://www.mozilla.org/en-US/security/advisories/mfsa2019-05/

3) Heap-based buffer overflow

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The weakness exists due to heap-based buffer overflow in Skia when handling malicious input. A remote attacker can trick the victim into visiting a specially crafted website, trigger memory corruption and execute arbitrary code with elevated privileges.

Successful exploitation of the vulnerability may result in system compromise.

Remediation

Update to Firefox ESR 60.5.1.

External links

https://www.mozilla.org/en-US/security/advisories/mfsa2019-05/

Back to List