Description
Some HTTP/2 implementations are vulnerable to a header leak, potentially leading to a denial of service. The attacker sends a stream of headers with a 0-length header name and 0-length header value, optionally Huffman encoded into 1-byte or greater headers. Some implementations allocate memory for these headers and keep the allocation alive until the session dies. This can consume excess memory.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a n/a
n/aaffected
References
- https://kb.cert.org/vuls/id/605641/ ↗
- https://github.com/Netflix/security-bulletins/blob/master/advisories/third-party/2019-002.md ↗
- https://seclists.org/bugtraq/2019/Aug/24 ↗
- https://usn.ubuntu.com/4099-1/ ↗
- http://seclists.org/fulldisclosure/2019/Aug/16 ↗
- https://www.synology.com/security/advisory/Synology_SA_19_33 ↗
- https://support.f5.com/csp/article/K02591030 ↗
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TAZZEVTCN2B4WT6AIBJ7XGYJMBTORJU5/ ↗
- https://seclists.org/bugtraq/2019/Aug/40 ↗
- https://www.debian.org/security/2019/dsa-4505 ↗
- https://security.netapp.com/advisory/ntap-20190823-0002/ ↗
- https://security.netapp.com/advisory/ntap-20190823-0005/ ↗
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CMNFX5MNYRWWIMO4BTKYQCGUDMHO3AXP/ ↗
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4ZQGHE3WTYLYAYJEIDJVF2FIGQTAYPMC/ ↗
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BP556LEG3WENHZI5TAQ6ZEBFTJB4E2IS/ ↗
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XHTKU7YQ5EEP2XNSAV4M4VJ7QCBOJMOD/ ↗
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/POPAEC4FWL4UU4LDEGPY5NPALU24FFQD/ ↗
- http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00035.html ↗
- http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00032.html ↗
- http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00031.html ↗
- https://kc.mcafee.com/corporate/index?page=content&id=SB10296 ↗
- https://access.redhat.com/errata/RHSA-2019:2745 ↗
- https://access.redhat.com/errata/RHSA-2019:2746 ↗
- https://access.redhat.com/errata/RHSA-2019:2775 ↗
- https://access.redhat.com/errata/RHSA-2019:2799 ↗
- https://access.redhat.com/errata/RHSA-2019:2925 ↗
- https://access.redhat.com/errata/RHSA-2019:2939 ↗
- https://access.redhat.com/errata/RHSA-2019:2946 ↗
- https://access.redhat.com/errata/RHSA-2019:2950 ↗
- https://access.redhat.com/errata/RHSA-2019:2955 ↗
- https://access.redhat.com/errata/RHSA-2019:2966 ↗
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00014.html ↗
- https://support.f5.com/csp/article/K02591030?utm_source=f5support&%3Butm_medium=RSS ↗
- https://access.redhat.com/errata/RHSA-2019:3933 ↗
- https://access.redhat.com/errata/RHSA-2019:3935 ↗
- https://access.redhat.com/errata/RHSA-2019:3932 ↗
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/H472D5HPXN6RRXCNFML3BK5OYC52CXF2/ ↗