CVSS2
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
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS
Percentile
78.8%
Severity: Low
Date : 2018-12-08
CVE-ID : CVE-2018-0734 CVE-2018-0735
Package : lib32-openssl
Type : private key recovery
Remote : Yes
Link : https://security.archlinux.org/AVG-793
The package lib32-openssl before version 1:1.1.1.a-1 is vulnerable to
private key recovery.
Upgrade to 1:1.1.1.a-1.
The problems have been fixed upstream in version 1.1.1.a.
None.
A timing vulnerability has been found in DSA signature generation in
openssl versions up to and including 1.1.1, where information is leaked
via a side channel when a BN is resized and could lead to private key
recovery.
The OpenSSL ECDSA signature algorithm has been shown to be vulnerable
to a timing side channel attack in openssl versions prior to 1.1.1a. An
attacker could use variations in the signing algorithm to recover the
private key.
A remote attacker might be able to recover a private ECDSA or DSA key
via a timing attack.
https://www.openssl.org/news/secadv/20181029.txt
https://www.openssl.org/news/secadv/20181030.txt
https://github.com/openssl/openssl/commit/8abfe72e8c1de1b95f50aa0d9134803b4d00070f
https://github.com/openssl/openssl/pull/7486
https://github.com/openssl/openssl/commit/b1d6d55ece1c26fa2829e2b819b038d7b6d692b4
https://security.archlinux.org/CVE-2018-0734
https://security.archlinux.org/CVE-2018-0735
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
ArchLinux | any | any | lib32-openssl | < 1:1.1.1.a-1 | UNKNOWN |
github.com/openssl/openssl/commit/8abfe72e8c1de1b95f50aa0d9134803b4d00070f
github.com/openssl/openssl/commit/b1d6d55ece1c26fa2829e2b819b038d7b6d692b4
github.com/openssl/openssl/pull/7486
security.archlinux.org/AVG-793
security.archlinux.org/CVE-2018-0734
security.archlinux.org/CVE-2018-0735
www.openssl.org/news/secadv/20181029.txt
www.openssl.org/news/secadv/20181030.txt
CVSS2
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
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS
Percentile
78.8%