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freebsdFreeBSD67765237-8470-11EA-A283-B42E99A1B9C3
HistoryApr 20, 2020 - 12:00 a.m.

malicious URLs can cause git to send a stored credential to wrong server

2020-04-2000:00:00
vuxml.freebsd.org
13

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

0.007 Low

EPSS

Percentile

79.7%

git security advisory reports:

Git uses external “credential helper” programs to store and retrieve passwords or
other credentials from secure storage provided by the operating system. Specially-crafted
URLs that are considered illegal as of the recently published Git versions can cause Git
to send a “blank” pattern to helpers, missing hostname and protocol fields. Many helpers
will interpret this as matching any URL, and will return some unspecified stored password,
leaking the password to an attacker’s server.

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

0.007 Low

EPSS

Percentile

79.7%