Integer overflow in firefox-esr (Alpine package)



Published: 2018-01-25
Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2018-5095
CWE-ID CWE-190
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe 		firefox-esr (Alpine package)
Operating systems & Components / Operating system package or component

Vendor Alpine Linux Development Team

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Integer overflow

EUVDB-ID: #VU10178

Risk: High

CVSSv3.1: 8.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-5095

CWE-ID: CWE-190 - Integer overflow

Exploit availability: No

Description

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

The weakness exists due to integer overflow in the Skia library when allocating memory for edge builders. A remote attacker can trick the victim into visiting a specially crafted website, trigger memory corruption and execute arbitrary code with privileges of the current user.

Successful exploitation of the vulnerability may result in system compromise.

Mitigation

Install update from vendor's website.

Vulnerable software versions

firefox-esr (Alpine package): 52.5.2-r0 - 52.5.3-r0

CPE2.3 External links

http://git.alpinelinux.org/aports/commit/?id=f21cbd7eaa510ec218e63fc43323ca9b101bdad6
http://git.alpinelinux.org/aports/commit/?id=26701b74f891400a545844d0ba4f616001b15944


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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