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ubuntucveUbuntu.comUB:CVE-2018-1000021
HistoryFeb 09, 2018 - 12:00 a.m.

CVE-2018-1000021

2018-02-0900:00:00
ubuntu.com
ubuntu.com
11

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

6.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.002 Low

EPSS

Percentile

52.1%

GIT version 2.15.1 and earlier contains a Input Validation Error
vulnerability in Client that can result in problems including messing up
terminal configuration to RCE. This attack appear to be exploitable via The
user must interact with a malicious git server, (or have their traffic
modified in a MITM attack).

Bugs

Notes

Author Note
eslerm no fix mentioned upstream
mdeslaur This is really an issue with terminal emulators that allow executing arbitrary code by displaying ANSI escape sequences. Terminal emulators in Ubuntu do not allow executing arbitrary code, so this issue is moot. It is unlikely that git will ever fix this CVE to protect against vulnerable terminal emulators.

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

6.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.002 Low

EPSS

Percentile

52.1%