DescriptionYaws 1.85 writes data to a log file without sanitizing non-printable characters, which might allow remote attackers to modify a window's title, or possibly execute arbitrary commands or overwrite files, via an HTTP request containing an escape sequence for a terminal emulator.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severitymedium

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
yaws (PTS)stretch2.0.4+dfsg-1vulnerable
stretch (security)2.0.4+dfsg-1+deb9u1vulnerable
buster, buster (security)2.0.6+dfsg-1+deb10u1vulnerable
bullseye, sid2.0.8+dfsg-3vulnerable

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs


The actual issue is within the broken terminal emulators and needs to be fixed there, see CVE-2009-4487

Search for package or bug name: Reporting problems