The canonicalize_username function in svnserve/cyrus_auth.c in Apache Subversion before 1.8.16 and 1.9.x before 1.9.4, when Cyrus SASL authentication is used, allows remote attackers to authenticate and bypass intended access restrictions via a realm string that is a prefix of an expected repository realm string.
CVSS Details
- CVSS 3.1 Base Score: 6.8
- CVSS 3.0 Vector: (CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | alpine-linux-upgrade-subversion | Aug 30, 2017 | May 5, 2016 |
| Amazon_linux | — | amazon-linux-upgrade-mod_dav_svnamazon-linux-upgrade-subversion | Jul 1, 2017 | May 5, 2016 |
| Debian | debian-upgrade-subversion | Apr 29, 2016 | Apr 29, 2016 | |
| Freebsd | freebsd-upgrade-package-subversionfreebsd-upgrade-package-subversion18 | Dec 10, 2025 | Apr 28, 2016 | |
| Gentoo Linux | gentoo-linux-upgrade-dev-vcs-subversiongentoo-linux-upgrade-net-libs-serf | Oct 30, 2017 | May 5, 2016 | |
| Huawei Euleros 2_0_sp2 | huawei-euleros-2_0_sp2-upgrade-mod_dav_svnhuawei-euleros-2_0_sp2-upgrade-subversionhuawei-euleros-2_0_sp2-upgrade-subversion-libs | Dec 4, 2019 | May 5, 2016 | |
| Huawei Euleros 2_0_sp3 | huawei-euleros-2_0_sp3-upgrade-mod_dav_svnhuawei-euleros-2_0_sp3-upgrade-subversionhuawei-euleros-2_0_sp3-upgrade-subversion-libs | Dec 18, 2019 | May 5, 2016 | |
| Huawei Euleros 2_0_sp5 | huawei-euleros-2_0_sp5-upgrade-mod_dav_svnhuawei-euleros-2_0_sp5-upgrade-subversionhuawei-euleros-2_0_sp5-upgrade-subversion-libs | Dec 11, 2019 | May 5, 2016 | |
| Oracle Solaris | oracle-solaris-11-4-upgrade-entire-11-4-11-4-0-0-1-15-0 | Oct 19, 2018 | May 5, 2016 | |
| Redhat_linux | — | no-fix-redhat-rpm-package | Jul 9, 2025 | Apr 28, 2016 |
| Suse | — | suse-upgrade-libsvn_auth_gnome_keyring-1-0suse-upgrade-libsvn_auth_kwallet-1-0suse-upgrade-subversionsuse-upgrade-subversion-bash-completionsuse-upgrade-subversion-develsuse-upgrade-subversion-perlsuse-upgrade-subversion-pythonsuse-upgrade-subversion-serversuse-upgrade-subversion-tools | May 6, 2016 | May 5, 2016 |
| Ubuntu | ubuntu-upgrade-libapache2-mod-svnubuntu-upgrade-libapache2-svnubuntu-upgrade-libsvn1ubuntu-upgrade-subversion | Aug 11, 2017 | May 5, 2016 |
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