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cve[email protected]CVE-2016-0634
HistoryAug 28, 2017 - 3:29 p.m.

CVE-2016-0634

2017-08-2815:29:01
CWE-78
web.nvd.nist.gov
129
2
cve-2016-0634
nvd
bash
remote code execution
metacharacters
security vulnerability

CVSS2

6

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

6.8

Confidence

High

EPSS

0.016

Percentile

87.3%

The expansion of β€˜\h’ in the prompt string in bash 4.3 allows remote authenticated users to execute arbitrary code via shell metacharacters placed in β€˜hostname’ of a machine.

Affected configurations

NVD
Node
gnubashMatch4.3
CPENameOperatorVersion
gnu:bashgnu basheq4.3

Social References

More

CVSS2

6

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

6.8

Confidence

High

EPSS

0.016

Percentile

87.3%