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Ubuntu.comUB:CVE-2015-8559

HistorySep 21, 2017 - 12:00 a.m.

CVE-2015-8559

2017-09-2100:00:00

ubuntu.com

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

CVSS3

7.5

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

EPSS

0.002

Percentile

55.3%

JSON

The knife bootstrap command in chef Infra client before version 15.4.45
leaks the validator.pem private RSA key to /var/log/messages.

Notes

Author	Note
leosilva	workaround using validatorless bootstrapping

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchchef< anyUNKNOWN
ubuntu14.04noarchchef< anyUNKNOWN
ubuntu16.04noarchchef< anyUNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	18.04	noarch	chef	< any	UNKNOWN
ubuntu	14.04	noarch	chef	< any	UNKNOWN
ubuntu	16.04	noarch	chef	< any	UNKNOWN

References

www.openwall.com/lists/oss-security/2015/12/14/10

github.com/chef/chef/issues/3871

launchpad.net/bugs/cve/CVE-2015-8559

nvd.nist.gov/vuln/detail/CVE-2015-8559

security-tracker.debian.org/tracker/CVE-2015-8559

www.cve.org/CVERecord?id=CVE-2015-8559

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

CVSS3

7.5

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

EPSS

0.002

Percentile

55.3%

JSON

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