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hackeroneChaosboltH1:274594
HistoryOct 05, 2017 - 12:31 p.m.

Mail.ru: Unupdated ImageMagic leads to uninitialized server memory disclosure

2017-10-0512:31:58
chaosbolt
hackerone.com
$150
40

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

4.3 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

0.015 Low

EPSS

Percentile

85.3%

It was possible to disclosure the part of server memory from uncontrolled location on account.my.com project via uploaded GIF image header manipulation.

account.my.com is not currently in the Bug Bounty scope, reward was paid as a bonus due to potential severity.

CVE-2017-15277

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

4.3 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

0.015 Low

EPSS

Percentile

85.3%