http://bugzilla.opensuse.org/show_bug.cgi?id=1086778 Bug ID: 1086778 Summary: VUL-0: CVE-2018-8970: libressl: The int_x509_param_set_hosts function in lib/libcrypto/x509/x509_vpm.c inLibreSSL 2.7.0 before 2.7.1 does not support a certain special case of a zeroname length, which causes silent omission of hostname verification Classification: openSUSE Product: openSUSE Distribution Version: Leap 42.3 Hardware: Other URL: https://smash.suse.de/issue/202623/ OS: Other Status: NEW Severity: Normal Priority: P5 - None Component: Basesystem Assignee: jengelh@inai.de Reporter: meissner@suse.com QA Contact: security-team@suse.de CC: security-team@suse.de Found By: Security Response Team Blocker: --- CVE-2018-8970 The int_x509_param_set_hosts function in lib/libcrypto/x509/x509_vpm.c in LibreSSL 2.7.0 before 2.7.1 does not support a certain special case of a zero name length, which causes silent omission of hostname verification, and consequently allows man-in-the-middle attackers to spoof servers and obtain sensitive information via a crafted certificate. NOTE: the LibreSSL documentation indicates that this special case is supported, but the BoringSSL documentation does not. References: http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2018-8970 http://www.cvedetails.com/cve/CVE-2018-8970/ https://boringssl.googlesource.com/boringssl/+/e759a9cd84198613199259dbed401... https://ftp.openbsd.org/pub/OpenBSD/LibreSSL/libressl-2.7.1-relnotes.txt https://github.com/libressl-portable/openbsd/commit/0654414afcce51a16d35d050... -- You are receiving this mail because: You are on the CC list for the bug.