PoC Index

CVE-2020-7060

CRITICAL 9.1EPSS 8.9%

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.

CVSS v3.1
9.1 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
CVSS v3.1
6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
CVSS v2.0
6.4 MEDIUMAV:N/AC:L/Au:N/C:P/I:N/A:P
EPSS
8.89% chance of exploitation in the next 30 days, 95th percentile
Published
2020-02-10
Updated
2024-09-17

Proof-of-concept exploits (1)

References

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