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hackeroneCutoffurm1ndH1:798135
HistoryFeb 17, 2020 - 4:32 p.m.

Mail.ru: PHP code injection at tz.mail.ru

2020-02-1716:32:55
cutoffurm1nd
hackerone.com
$3000
17

7.5 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

0.793 High

EPSS

Percentile

97.9%

A chain of bugs involving unsafe usage of PHP unserialize() led to possibility of code execution in tz.mail.ru

7.5 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

0.793 High

EPSS

Percentile

97.9%