Use-after-free in mozjs68 (Alpine package)



Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-6463
CWE-ID CWE-416
Exploitation vector Network
Public exploit N/A
Vulnerable software
 mozjs68 (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) Use-after-free

EUVDB-ID: #VU29152

Risk: High

CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2020-6463

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

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

The vulnerability exists due to use-after-free error in ANGLE in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it, trigger a heap-based buffer overflow and execute arbitrary code on the system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

mozjs68 (Alpine package): 68.10.0-r0

CPE2.3 External links

https://git.alpinelinux.org/aports/commit/?id=4cd4a0dd2e6c9e8d082dca8588312badce9f16ba
https://git.alpinelinux.org/aports/commit/?id=ecfc67fc0aa1c8be66b005da45f868c730633a4e
https://git.alpinelinux.org/aports/commit/?id=04f8e005916c290085fcf9cff34c5ed43c7b570e
https://git.alpinelinux.org/aports/commit/?id=4078c037d203ec86019f68e2ec6e03b7b6a7fcf4
https://git.alpinelinux.org/aports/commit/?id=78431c6461742f7904f5cd815bbed5f76852a8aa
https://git.alpinelinux.org/aports/commit/?id=d28edc9bebe787d7cff81e5dc7200f5b78fd3797


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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