CVE-2020-7695

NameCVE-2020-7695
DescriptionUvicorn before 0.11.7 is vulnerable to HTTP response splitting. CRLF sequences are not escaped in the value of HTTP headers. Attackers can exploit this to add arbitrary headers to HTTP responses, or even return an arbitrary response body, whenever crafted input is used to construct HTTP headers.
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
Debian Bugs969275

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
python-uvicorn (PTS)buster0.3.24-1vulnerable
sid0.11.5-1vulnerable

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
python-uvicornsource(unstable)(unfixed)969275

Notes

[buster] - python-uvicorn <no-dsa> (Minor issue)
https://snyk.io/vuln/SNYK-PYTHON-UVICORN-570471
https://github.com/encode/uvicorn/issues/719

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