{"id":"CVE-2019-12525","details":"An issue was discovered in Squid 3.3.9 through 3.5.28 and 4.x through 4.7. When Squid is configured to use Digest authentication, it parses the header Proxy-Authorization. It searches for certain tokens such as domain, uri, and qop. Squid checks if this token's value starts with a quote and ends with one. If so, it performs a memcpy of its length minus 2. Squid never checks whether the value is just a single quote (which would satisfy its requirements), leading to a memcpy of its length minus 1.","modified":"2026-07-07T08:50:05.424974084Z","published":"2019-07-11T19:15:13Z","related":["ALSA-2020:2041","SUSE-SU-2019:2089-1","SUSE-SU-2019:2089-2","SUSE-SU-2019:2975-1","SUSE-SU-2020:14460-1","openSUSE-SU-2019:2540-1","openSUSE-SU-2019:2541-1","openSUSE-SU-2024:11403-1"],"database_specific":{"unresolved_ranges":[{"cpes":["cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:-:*:*:*","cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*","cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*","cpe:2.3:o:canonical:ubuntu_linux:19.04:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"12.04"},{"last_affected":"12.04"},{"introduced":"16.04"},{"last_affected":"16.04"},{"introduced":"18.04"},{"last_affected":"18.04"},{"introduced":"19.04"},{"last_affected":"19.04"}],"source":"CPE_STRING","vendor_product":"canonical:ubuntu_linux"},{"extracted_events":[{"introduced":"8.0"},{"last_affected":"8.0"},{"introduced":"9.0"},{"last_affected":"9.0"},{"introduced":"10.0"},{"last_affected":"10.0"}],"source":"CPE_STRING","vendor_product":"debian:debian_linux","cpes":["cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*","cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*","cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"]},{"extracted_events":[{"introduced":"29"},{"last_affected":"29"}],"source":"CPE_STRING","vendor_product":"fedoraproject:fedora","cpes":["cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:*"]},{"cpes":["cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:*","cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"15.0"},{"last_affected":"15.0"},{"introduced":"15.1"},{"last_affected":"15.1"}],"source":"CPE_STRING","vendor_product":"opensuse:leap"}]},"references":[{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SPXN2CLAGN5QSQBTOV5IGVLDOQSRFNTZ/"},{"type":"ADVISORY","url":"http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00053.html"},{"type":"ADVISORY","url":"http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00056.html"},{"type":"ADVISORY","url":"http://www.squid-cache.org/Versions/v4/changesets/"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2019/07/msg00018.html"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2020/07/msg00009.html"},{"type":"ADVISORY","url":"https://seclists.org/bugtraq/2019/Aug/42"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/4065-1/"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/4065-2/"},{"type":"ADVISORY","url":"https://www.debian.org/security/2019/dsa-4507"},{"type":"FIX","url":"http://www.squid-cache.org/Versions/v4/changesets/squid-4-7f73e9c5d17664b882ed32590e6af310c247f320.patch"},{"type":"FIX","url":"https://github.com/squid-cache/squid/commits/v4"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/squid-cache/squid","events":[{"introduced":"83f1f03412750fdd98b5219ff5829cd4e319a1b3"},{"last_affected":"6cfeb300caf423ff49a0511d8bd43a56f3418273"},{"introduced":"0"},{"last_affected":"2e17b02616d37206ba9cccc53c20667624fbef9f"}],"database_specific":{"cpe":"cpe:2.3:a:squid-cache:squid:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"3.3.9"},{"last_affected":"3.5.28"},{"introduced":"4.0"},{"last_affected":"4.7"}],"source":"CPE_RANGE"}}],"versions":["SQUID_4_7","SQUID_4_6","SQUID_4_5","SQUID_4_4","SQUID_3_5_28","SQUID_4_3","SQUID_4_2","SQUID_4_1","SQUID_4_0_25","SQUID_4_0_24","SQUID_4_0_23","SQUID_4_0_22","SQUID_4_0_21","SQUID_3_5_26","SQUID_4_0_20","SQUID_3_5_25","SQUID_4_0_19","SQUID_3_5_24","SQUID_4_0_18","SQUID_3_5_23","SQUID_4_0_17","SQUID_4_0_16","SQUID_3_5_22","SQUID_4_0_15","SQUID_3_5_21","SQUID_4_0_14","SQUID_4_0_13","SQUID_3_5_20","SQUID_4_0_12","SQUID_4_0_11","SQUID_3_5_19","SQUID_4_0_10","SQUID_3_5_18","SQUID_3_5_17","SQUID_4_0_9","SQUID_3_5_16","SQUID_4_0_8","SQUID_3_5_15","SQUID_4_0_7","SQUID_3_5_14","SQUID_4_0_6","SQUID_4_0_5","SQUID_3_5_13","SQUID_4_0_4","SQUID_3_5_12","SQUID_4_0_3","SQUID_3_5_11","SQUID_4_0_2","SQUID_4_0_1","SQUID_3_5_10","SQUID_3_5_9","SQUID_3_5_8","SQUID_3_5_7","SQUID_3_5_6","SQUID_3_5_5","SQUID_3_5_4","SQUID_3_5_3","SQUID_3_5_2","SQUID_3_5_1","SQUID_3_5_0_4","SQUID_3_5_0_3","SQUID_3_5_0_2","SQUID_3_5_0_1","take00","SQUID_3_0_RC1","SQUID_3_0_PRE7","SQUID_3_0_PRE6","SQUID_3_0_PRE5","SQUID_3_0_PRE4","SQUID_3_0_PRE3","SQUID_3_0_PRE2","SQUID_3_0_PRE1","HISTORIC_RELEASES"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2019-12525.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}