CVE-2020-5283

Name	CVE-2020-5283
Description	ViewVC before versions 1.1.28 and 1.2.1 has a XSS vulnerability in CVS show_subdir_lastmod support. The impact of this vulnerability is mitigated by the need for an attacker to have commit privileges to a CVS repository exposed by an otherwise trusted ViewVC instance that also has the `show_subdir_lastmod` feature enabled. The attack vector involves files with unsafe names (names that, when embedded into an HTML stream, would cause the browser to run unwanted code), which themselves can be challenging to create. This vulnerability is patched in versions 1.2.1 and 1.1.28.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
viewvc (PTS)	jessie, jessie (lts)	1.1.22-1+deb8u1	vulnerable
	stretch (lts), stretch	1.1.26-1+deb9u1	vulnerable
	buster (security), buster, buster (lts)	1.1.26-1+deb10u1	vulnerable

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
viewvc	source	wheezy	(unfixed)	end-of-life
viewvc	source	(unstable)	(unfixed)

Notes

[buster] - viewvc <no-dsa> (Minor issue)
[stretch] - viewvc <no-dsa> (Minor issue)
[jessie] - viewvc <no-dsa> (Minor issue)
https://github.com/viewvc/viewvc/security/advisories/GHSA-xpxf-fvqv-7mfg
https://github.com/viewvc/viewvc/commit/ad0f966e9a997b17d853a6972ea283d4dcd70fa8
https://github.com/viewvc/viewvc/issues/211