CVE-2017-17843

Description

An issue was discovered in Enigmail before 1.9.9 that allows remote attackers to trigger use of an intended public key for encryption, because incorrect regular expressions are used for extraction of an e-mail address from a comma-separated list, as demonstrated by a modified Full Name field and a homograph attack, aka TBE-01-002.

5.9

CVSS

Severity: Medium

CVSS 3.0 •

CVSS 2.0 •

EPSS 0.20%

Vendor Advisory debian.org Vendor Advisory enigmail.net

Affected: n/a n/a

References

Link	Tags
https://enigmail.net/download/other/Enigmail%20Pentest%20Report%20by%20Cure53%20-%20Excerpt.pdf	vendor advisory
https://lists.debian.org/debian-security-announce/2017/msg00333.html	third party advisory
https://www.mail-archive.com/enigmail-users%40enigmail.net/msg04280.html
https://lists.debian.org/debian-lts-announce/2017/12/msg00021.html	mailing list
https://www.debian.org/security/2017/dsa-4070	third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2017-17843?: CVE-2017-17843 has been scored as a medium severity vulnerability.
How to fix CVE-2017-17843?: To fix CVE-2017-17843, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-17843 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2017-17843 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.

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