An out-of-bounds read in code handling HTTP/2 trailers was found. This could lead to a denial-of-service or an information disclosure in some circumstances. Affected versions: libcurl 7.49.0 to and including 7.57.0 Not affected versions: libcurl < 7.49.0 and >= 7.58.0 Upstream bug report: https://github.com/curl/curl/pull/2231 Upstream patch: https://github.com/curl/curl/commit/fa3dbb9a147488a294.patch
Acknowledgments: Name: the Curl project Upstream: Zhouyihai Ding
External References: https://curl.haxx.se/docs/adv_2018-824a.html
The latest version of curl shipped by ceph-2 is 7.29.0-32.el7(~3 years back), however which is not affected by this flaw. Ceph-2 no more ships updated version of curl and consumes latest available releases from RHEL repo.
This bug was essentially introduced by the following commit: https://github.com/curl/curl/commit/0761a51ee0551ad9e5
Statement: This flaw was introduced in curl-7.49.0. Therefore the versions of curl shipped with Red Hat Enterprise Linux 5, 6 and 7 and Red Hat Ceph Storage 2 are not affected by this flaw.
Created curl tracking bugs for this issue: Affects: fedora-all [bug 1699816] Created mingw-curl tracking bugs for this issue: Affects: fedora-all [bug 1699817]
This issue has been addressed in the following products: JBoss Core Services Apache HTTP Server 2.4.29 SP2 Via RHSA-2019:1543 https://access.redhat.com/errata/RHSA-2019:1543
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s): https://access.redhat.com/security/cve/cve-2018-1000005