CVE-2023-28755

NameCVE-2023-28755
DescriptionA ReDoS issue was discovered in the URI component through 0.12.0 in Ruby through 3.2.1. The URI parser mishandles invalid URLs that have specific characters. It causes an increase in execution time for parsing strings to URI objects. The fixed versions are 0.12.1, 0.11.1, 0.10.2 and 0.10.0.1.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-3408-1, DLA-3447-1, DLA-3858-1
Debian Bugs1036283, 1038408

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
jruby (PTS)bookworm9.3.9.0+ds-8vulnerable
sid, trixie9.4.8.0+ds-1fixed
ruby2.7 (PTS)bullseye2.7.4-1+deb11u1vulnerable
bullseye (security)2.7.4-1+deb11u2fixed
ruby3.1 (PTS)bookworm, bookworm (security)3.1.2-7+deb12u1vulnerable
sid, trixie3.1.2-8.4vulnerable
rubygems (PTS)bullseye3.2.5-2vulnerable
bookworm3.3.15-2vulnerable
sid, trixie3.4.20-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
jrubysourceexperimental9.4.3.0+ds-1~exp1
jrubysourcebuster9.1.17.0-3+deb10u1DLA-3408-1
jrubysource(unstable)9.4.5.0+ds-11036283
ruby2.5sourcebuster2.5.5-3+deb10u5DLA-3447-1
ruby2.5source(unstable)(unfixed)
ruby2.7sourcebullseye2.7.4-1+deb11u2DLA-3858-1
ruby2.7source(unstable)(unfixed)
ruby3.1source(unstable)(unfixed)1038408
rubygemssource(unstable)3.4.20-1

Notes

[bookworm] - rubygems <no-dsa> (Minor issue)
[bullseye] - rubygems <no-dsa> (Minor issue)
[bookworm] - ruby3.1 <no-dsa> (Minor issue)
[bookworm] - jruby <ignored> (Minor issue)
Fixed by: https://github.com/ruby/ruby/commit/8ce4ab146498879b65e22f1be951b25eebb79300 (v3_1_4)
Fixed by: https://github.com/ruby/uri/commit/eaf89cc31619d49e67c64d0b58ea9dc38892d175 (v0.12.1)
https://www.ruby-lang.org/en/news/2023/03/28/redos-in-uri-cve-2023-28755/
Incomplete fix, cf. CVE-2023-36617
https://github.com/jruby/jruby/commit/7e220403384faef102e838b412b4d1b3a9cfb6ec (9.4.3.0)

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