HTTP2: HAProxy HTTP2 HPACK hpack-tbl.c Out of Bound Write
This signature detects attempts to exploit a known vulnerability against HAProxy. A successful attack can lead to arbitrary code execution.
Extended Description
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.
Affected Products
Fedoraproject fedora
References
CVE: CVE-2020-11100
Short Name
HTTP2:HAPROXY-HPACK-OB
Severity
Minor
Recommended
False
Recommended Action
Drop
Category
HTTP2
Keywords
Bound CVE-2020-11100 HAProxy HPACK HTTP2 Out Write hpack-tbl.c of
Release Date
10/07/2020
Supported Platforms
srx-branch-19.3
vsrx3bsd-19.2
srx-19.4
vsrx3bsd-19.4
srx-branch-19.4
vsrx-19.4
vsrx-19.2
srx-19.3
srx-branch-12.3
mx-12.3
mx-19.4
vmx-19.4
mx-19.3
vsrx-12.3
vmx-19.3
srx-12.3
Sigpack Version
3590
False Positive
Unknown
Vendors
Haproxy
Redhat
Fedoraproject
Opensuse
Debian
Canonical
CVSS Score
6.5