Code Injection in thunderbird (Alpine package)



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-6798
CWE-ID CWE-94
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) Code Injection

EUVDB-ID: #VU25122

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-2020-6798

CWE-ID: CWE-94 - Improper Control of Generation of Code ('Code Injection')

Exploit availability: No

Description

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

The vulnerability exists due to improper input validation when parsing template tag. A remote attacker can confuse the JavaScript parser into executing an arbitrary JavaScript send a specially crafted request and execute arbitrary code on the target system.

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

Mitigation

Install update from vendor's website.

Vulnerable software versions

thunderbird (Alpine package): 68.4.1-r2

CPE2.3 External links

https://git.alpinelinux.org/aports/commit/?id=d1dc06fce1ad81bf7cc833673aca0ea7e21db6fb
https://git.alpinelinux.org/aports/commit/?id=b3a10d424ad10e10ad565e2270d7aad7019da5cf
https://git.alpinelinux.org/aports/commit/?id=b34b713509404edde6e3bfb92ab656bad2345496


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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