漏洞描述
In hpack_dht_insert in hpack-tbl.c in the HPACK decoder in HAProxy 1.8 through 2.x before 2.1.4, a remote attacker can write arbitrary bytes around a certain location on the heap via a crafted HTTP/2 request, possibly causing remote code execution.
影响产品
修复建议
建议关注厂商安全公告，及时升级至已修复版本，并结合实际资产暴露情况采取缓解措施。
参考链接
lists.fedoraproject.orghttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MNW5RZLIX7LOXRLV7WMHX22CI43XSXKW/↗lists.opensuse.orghttp://lists.opensuse.org/opensuse-security-announce/2020-04/msg00002.html↗packetstormsecurity.comhttp://packetstormsecurity.com/files/157323/haproxy-hpack-tbl.c-Out-Of-Bounds-Write.html↗lists.fedoraproject.orghttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/264C7UL3X7L7QE74ZJ557IOUFS3J4QQC/↗bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=1819111↗security.gentoo.orghttps://security.gentoo.org/glsa/202012-22↗www.mail-archive.comhttps://www.mail-archive.com/haproxy%40formilux.org/msg36876.html↗git.haproxy.orghttps://git.haproxy.org/?p=haproxy.git%3Ba=commit%3Bh=5dfc5d5cd0d2128d77253ead3acf03a421ab5b88↗lists.debian.orghttps://lists.debian.org/debian-security-announce/2020/msg00052.html↗usn.ubuntu.comhttps://usn.ubuntu.com/4321-1/↗www.debian.orghttps://www.debian.org/security/2020/dsa-4649↗bugzilla.suse.comhttps://bugzilla.suse.com/show_bug.cgi?id=1168023↗www.haproxy.orghttps://www.haproxy.org/download/2.1/src/CHANGELOG↗www.haproxy.orghttp://www.haproxy.org↗