Description
The Memcache::getextendedstats function can be used to trigger an out-of-bounds read. Exploiting this issue requires control over memcached server hostnames and/or ports. This affects all supported versions of HHVM (3.30 and 3.27.4 and below).
References (2)
Core 2
Core References
Third Party Advisory x_refsource_misc
https://hhvm.com/blog/2018/12/18/hhvm-3.30.1.html
Patch, Third Party Advisory x_refsource_misc
https://github.com/facebook/hhvm/commit/4bff3bfbe90d10451e4638c2118d1ad1117bb3e3
Scores
CVSS v3
8.1
EPSS
0.0039
EPSS Percentile
60.3%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
total
Details
CWE
CWE-125
Status
published
Products (2)
facebook/hhvm
3.30
facebook/hhvm
< 3.27.4
Published
Dec 31, 2018
Tracked Since
Feb 18, 2026