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huaweiHuawei TechnologiesHUAWEI-SA-20181212-01-CACHE
HistoryDec 12, 2018 - 12:00 a.m.

Security Advisory - Cache Timing Vulnerability in OpenSSL RSA Key Generation

2018-12-1200:00:00
Huawei Technologies
www.huawei.com
47

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

CVSS3

5.9

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

EPSS

0.01

Percentile

84.1%

The OpenSSL RSA Key generation algorithm has been shown to be vulnerable to a cache timing side channel attack (CVE-2018-0737). An attacker could exploit this vulnerability to recover the private key. (Vulnerability ID: HWPSIRT-2018-06015)

Huawei has released software updates to fix this vulnerability. This advisory is available at the following link: https://www.huawei.com/cn/psirt/security-advisories/huawei-sa-20181212-01-cache-en.

Affected configurations

Vulners
Node
huaweite30Matchv600r006c10
OR
huaweite40Matchv600r006c10
OR
huaweite50Matchv600r006c10
OR
huaweite60Matchv600r006c10

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

CVSS3

5.9

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

EPSS

0.01

Percentile

84.1%