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Debian Security Bug TrackerDEBIANCVE:CVE-2020-7069

HistoryOct 02, 2020 - 3:15 p.m.

CVE-2020-7069

2020-10-0215:15:12

Debian Security Bug Tracker

security-tracker.debian.org

php security

aes-ccm mode

openssl_encrypt

incorrect encryption

decreased security

CVSS2

6.4

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

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

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

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

EPSS

0.002

Percentile

61.5%

JSON

In PHP versions 7.2.x below 7.2.34, 7.3.x below 7.3.23 and 7.4.x below 7.4.11, when AES-CCM mode is used with openssl_encrypt() function with 12 bytes IV, only first 7 bytes of the IV is actually used. This can lead to both decreased security and incorrect encryption data.

OSVersionArchitecturePackageVersionFilename
Debian11allphp7.4< 7.4.11-1php7.4_7.4.11-1_all.deb

OS	Version	Architecture	Package	Version	Filename
Debian	11	all	php7.4	< 7.4.11-1	php7.4_7.4.11-1_all.deb

CVSS2

6.4

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

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

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

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

EPSS

0.002

Percentile

61.5%

JSON

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