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ubuntuUbuntuUSN-3138-1
HistoryNov 28, 2016 - 12:00 a.m.

python-cryptography vulnerability

2016-11-2800:00:00
ubuntu.com
36

CVSS2

5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

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

AI Score

7.5

Confidence

High

EPSS

0.004

Percentile

73.9%

JSON

Releases

  • Ubuntu 16.10
  • Ubuntu 16.04 ESM

Packages

  • python-cryptography - Cryptography Python library

Details

Markus Döring discovered that python-cryptography incorrectly handled
certain HKDF lengths. This could result in python-cryptography returning an
empty string instead of the expected derived key.

Related

openvas 10
freebsd 1
osv 3
cvelist 1
nessus 7
cve 1
github 1
fedora 6
mageia 1
prion 1
redhatcve 1
debiancve 1
ubuntucve 1
nvd 1
openvas
openvas
Mageia: Security Advisory (MGASA-2016-0377)
2022-01-28 00:00:00
Fedora Update for python-cryptography FEDORA-2016-d3a2b640ce
2016-12-02 00:00:00
Fedora Update for python-cryptography-vectors FEDORA-2016-e77c8c1f3b
2016-12-02 00:00:00
freebsd
freebsd
py-cryptography -- vulnerable HKDF key generation
2016-11-05 00:00:00
osv
osv
PYSEC-2017-8
2017-03-27 17:59:00
CVE-2016-9243
2017-03-27 17:59:00
Improper input validation in cryptography
2022-05-17 02:51:56
cvelist
cvelist
CVE-2016-9243
2017-03-27 17:00:00
nessus
nessus
EulerOS 2.0 SP3 : python-cryptography (EulerOS-SA-2021-1837)
2021-04-30 00:00:00
FreeBSD : py-cryptography -- vulnerable HKDF key generation (e5dcb942-ba6f-11e6-b1cf-14dae9d210b8)
2016-12-05 00:00:00
EulerOS 2.0 SP2 : python-cryptography (EulerOS-SA-2021-2428)
2021-09-14 00:00:00
cve
cve
CVE-2016-9243
2017-03-27 17:59:00
github
github
Improper input validation in cryptography
2022-05-17 02:51:56
fedora
fedora
[SECURITY] Fedora 23 Update: python-cryptography-1.5.3-3.fc23
2016-11-19 07:33:35
[SECURITY] Fedora 23 Update: python-cryptography-vectors-1.5.3-1.fc23
2016-11-19 07:33:35
[SECURITY] Fedora 25 Update: python-cryptography-vectors-1.5.3-1.fc25
2016-11-19 22:20:37
mageia
mageia
Updated python-cryptography package fixes security vulnerability
2016-11-14 10:08:50
prion
prion
Design/Logic Flaw
2017-03-27 17:59:00
redhatcve
redhatcve
CVE-2016-9243
2016-11-09 14:47:22
debiancve
debiancve
CVE-2016-9243
2017-03-27 17:59:00
ubuntucve
ubuntucve
CVE-2016-9243
2016-11-09 00:00:00
nvd
nvd
CVE-2016-9243
2017-03-27 17:59:00

CVSS2

5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

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

AI Score

7.5

Confidence

High

EPSS

0.004

Percentile

73.9%

JSON
Related for USN-3138-1
openvas10freebsd1osv3cvelist1nessus7cve1github1fedora6mageia1prion1redhatcve1debiancve1ubuntucve1nvd1