CVE-2020-7060

EUVD-2020-28194
When using certain mbstring functions to convert multibyte encodings, in PHP versions 7.2.x below 7.2.27, 7.3.x below 7.3.14 and 7.4.x below 7.4.2 it is possible to supply data that will cause function mbfl_filt_conv_big5_wchar to read past the allocated buffer. This may lead to information disclosure or crash.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
6.5 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
phpCNA
6.5 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
Base Score
CVSS 3.x
EPSS Score
Percentile: 90%
Affected Products (NVD)
VendorProductVersion
phpphp
7.2.0 ≤
𝑥
< 7.2.27
phpphp
7.3.0 ≤
𝑥
< 7.3.14
phpphp
7.4.0 ≤
𝑥
< 7.4.2
tenabletenable.sc
𝑥
< 5.19.0
oraclecommunications_diameter_signaling_router
8.0 ≤
𝑥
≤ 8.4
opensuseleap
15.1
debiandebian_linux
8.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
php7.4
bullseye
7.4.33-1+deb11u5
fixed
bullseye (security)
7.4.33-1+deb11u6
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
php5
bionic
dne
eoan
dne
trusty
Fixed 5.5.9+dfsg-1ubuntu4.29+esm10
released
xenial
dne
php7.0
bionic
dne
eoan
dne
trusty
dne
xenial
Fixed 7.0.33-0ubuntu0.16.04.11
released
php7.2
bionic
Fixed 7.2.24-0ubuntu0.18.04.3
released
eoan
dne
trusty
dne
xenial
dne
php7.3
bionic
dne
eoan
Fixed 7.3.11-0ubuntu0.19.10.3
released
trusty
dne
xenial
dne