Use of uninitialized resource in thunderbird (Alpine package)



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-16042
CWE-ID CWE-908
Exploitation vector Network
Public exploit N/A
Vulnerable software
 thunderbird (Alpine package)
Operating systems & Components / Operating system package or component

Vendor Alpine Linux Development Team

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Use of uninitialized resource

EUVDB-ID: #VU48790

Risk: Medium

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2020-16042

CWE-ID: CWE-908 - Use of Uninitialized Resource

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass certain security restrictions.

The vulnerability exists due to usage of uninitialized resources in V8 in Google Chrome. A remote attacker can trick the victim to visit a specially crafted webpage, trigger uninitialized usage of resources and bypass implemented security mechanisms.

Mitigation

Install update from vendor's website.

Vulnerable software versions

thunderbird (Alpine package): 78.5.1-r0

CPE2.3 External links

https://git.alpinelinux.org/aports/commit/?id=beb8bd9db61e7a8b95bcb3d137eab4f24ac7f937


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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