CVE-2020-8284

Name	CVE-2020-8284
Description	A malicious server can use the FTP PASV response to trick curl 7.73.0 and earlier into connecting back to a given IP address and port, and this way potentially make curl extract information about services that are otherwise private and not disclosed, for example doing port scanning and service banner extractions.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
References	DLA-2500-1, DSA-4881-1
Debian Bugs	977163

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
curl (PTS)	buster	7.64.0-4+deb10u2	fixed
	buster (security)	7.64.0-4+deb10u9	fixed
	bullseye (security), bullseye	7.74.0-1.3+deb11u11	fixed
	bookworm, bookworm (security)	7.88.1-10+deb12u5	fixed
	trixie	8.5.0-2	fixed
	sid	8.7.1-2	fixed

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Origin	Debian Bugs
curl	source	stretch	7.52.1-5+deb9u13	DLA-2500-1
curl	source	buster	7.64.0-4+deb10u2	DSA-4881-1
curl	source	(unstable)	7.74.0-1		977163

https://curl.se/docs/CVE-2020-8284.html
https://github.com/curl/curl/commit/ec9cc725d598ac77de7b6df8afeec292b3c8ad46 (curl-7_74_0)