CVE-2017-17844 Information disclosure in n/a
Remote attackers can obtain cleartext content by tricking victims into decrypting and quoting encrypted blocks, exposing sensitive email data.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2017-17844?
CVE-2017-17844 is a medium-severity vulnerability in Debian Debian Linux, published on 22 Dec 2017. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
An issue was discovered in Enigmail before 1.9.9. A remote attacker can obtain cleartext content by sending an encrypted data block (that the attacker cannot directly decrypt) to a victim, and relying on the victim to automatically decrypt that block and then send it back to the attacker as quoted text, aka the TBE-01-005 "replay" issue.
Weakness: CWE-319
Which versions are affected by CVE-2017-17844?
It affects 2 products.
Products include Debian Debian Linux, Enigmail Enigmail.
How do I fix CVE-2017-17844?
Upgrade to a fixed version.
Is CVE-2017-17844 being exploited?
There is no known exploitation of CVE-2017-17844 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as DEBIAN-CVE-2017-17844, GHSA-v476-27v8-hrp8, UBUNTU-CVE-2017-17844.