{"id":"CVE-2018-1000007","details":"libcurl 7.1 through 7.57.0 might accidentally leak authentication data to third parties. When asked to send custom headers in its HTTP requests, libcurl will send that set of headers first to the host in the initial URL but also, if asked to follow redirects and a 30X HTTP response code is returned, to the host mentioned in URL in the `Location:` response header value. Sending the same set of headers to subsequent hosts is in particular a problem for applications that pass on custom `Authorization:` headers, as this header often contains privacy sensitive information or data that could allow others to impersonate the libcurl-using client's request.","aliases":["CURL-CVE-2018-1000007"],"modified":"2026-05-18T05:50:11.560148916Z","published":"2018-01-24T22:29:00.353Z","related":["SUSE-SU-2018:0214-1","SUSE-SU-2018:0217-1","SUSE-SU-2018:0230-1"],"database_specific":{"unresolved_ranges":[{"source":"CPE_FIELD","cpes":["cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:*","cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*","cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*","cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:*"],"extracted_events":[{"last_affected":"12.04"},{"last_affected":"14.04"},{"last_affected":"16.04"},{"last_affected":"17.10"}],"vendor_product":"canonical:ubuntu_linux"},{"source":"CPE_FIELD","cpes":["cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*","cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*","cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"],"extracted_events":[{"last_affected":"7.0"},{"last_affected":"8.0"},{"last_affected":"9.0"}],"vendor_product":"debian:debian_linux"},{"source":"CPE_FIELD","cpes":["cpe:2.3:o:fujitsu:m10-1_firmware:*:*:*:*:*:*:*:*"],"extracted_events":[{"fixed":"xcp2361"},{"fixed":"xcp3070"}],"vendor_product":"fujitsu:m10-1_firmware"},{"source":"CPE_FIELD","cpes":["cpe:2.3:o:fujitsu:m10-4_firmware:*:*:*:*:*:*:*:*"],"extracted_events":[{"fixed":"xcp2361"},{"fixed":"xcp3070"}],"vendor_product":"fujitsu:m10-4_firmware"},{"source":"CPE_FIELD","cpes":["cpe:2.3:o:fujitsu:m10-4s_firmware:*:*:*:*:*:*:*:*"],"extracted_events":[{"fixed":"xcp2361"},{"fixed":"xcp3070"}],"vendor_product":"fujitsu:m10-4s_firmware"},{"source":"CPE_FIELD","cpes":["cpe:2.3:o:fujitsu:m12-1_firmware:*:*:*:*:*:*:*:*"],"extracted_events":[{"fixed":"xcp2361"},{"fixed":"xcp3070"}],"vendor_product":"fujitsu:m12-1_firmware"},{"source":"CPE_FIELD","cpes":["cpe:2.3:o:fujitsu:m12-2_firmware:*:*:*:*:*:*:*:*"],"extracted_events":[{"fixed":"xcp2361"},{"fixed":"xcp3070"}],"vendor_product":"fujitsu:m12-2_firmware"},{"source":"CPE_FIELD","cpes":["cpe:2.3:o:fujitsu:m12-2s_firmware:*:*:*:*:*:*:*:*"],"extracted_events":[{"fixed":"xcp2361"},{"fixed":"xcp3070"}],"vendor_product":"fujitsu:m12-2s_firmware"},{"source":"CPE_FIELD","cpes":["cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*"],"extracted_events":[{"last_affected":"7.0"}],"vendor_product":"redhat:enterprise_linux_desktop"},{"source":"CPE_FIELD","cpes":["cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*"],"extracted_events":[{"last_affected":"7.0"}],"vendor_product":"redhat:enterprise_linux_server"},{"source":"CPE_FIELD","cpes":["cpe:2.3:o:redhat:enterprise_linux_server_aus:7.4:*:*:*:*:*:*:*"],"extracted_events":[{"last_affected":"7.4"}],"vendor_product":"redhat:enterprise_linux_server_aus"},{"source":"CPE_FIELD","cpes":["cpe:2.3:o:redhat:enterprise_linux_server_eus:7.4:*:*:*:*:*:*:*","cpe:2.3:o:redhat:enterprise_linux_server_eus:7.5:*:*:*:*:*:*:*"],"extracted_events":[{"last_affected":"7.4"},{"last_affected":"7.5"}],"vendor_product":"redhat:enterprise_linux_server_eus"},{"source":"CPE_FIELD","cpes":["cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*"],"extracted_events":[{"last_affected":"7.0"}],"vendor_product":"redhat:enterprise_linux_workstation"}]},"references":[{"type":"ADVISORY","url":"http://www.openwall.com/lists/oss-security/2022/04/27/4"},{"type":"ADVISORY","url":"http://www.securitytracker.com/id/1040274"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHBA-2019:0327"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2018:3157"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2018:3558"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2019:1543"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2020:0544"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2020:0594"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2018/01/msg00038.html"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/3554-1/"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/3554-2/"},{"type":"ADVISORY","url":"https://www.debian.org/security/2018/dsa-4098"},{"type":"FIX","url":"https://curl.haxx.se/docs/adv_2018-b3bf.html"},{"type":"FIX","url":"https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/curl/curl","events":[{"introduced":"0"},{"last_affected":"62c07b5743490ce373910f469abc8cdc759bec2b"}],"database_specific":{"source":"CPE_FIELD","cpe":"cpe:2.3:a:haxx:curl:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"7.1"},{"last_affected":"7.57.0"}]}}],"versions":["curl-7_57_0","curl-7_56_1","curl-7_56_0","curl-7_55_1","curl-7_55_0","curl-7_54_1","curl-7_54_0","curl-7_53_1","curl-7_53_0","curl-7_52_1","curl-7_52_0","curl-7_51_0","curl-7_50_3","curl-7_50_2","curl-7_50_1","curl-7_50_0","curl-7_49_1","curl-7_49_0","curl-7_48_0","curl-7_47_1","curl-7_47_0","curl-7_46_0","curl-7_45_0","curl-7_44_0","curl-7_43_0","curl-7_42_0","curl-7_41_0","curl-7_40_0","curl-7_39_0","curl-7_38_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