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ubuntucveUbuntu.comUB:CVE-2016-2849
HistoryMay 13, 2016 - 12:00 a.m.

CVE-2016-2849

2016-05-1300:00:00
ubuntu.com
ubuntu.com
13

CVSS2

5

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

EPSS

0.006

Percentile

79.2%

Botan before 1.10.13 and 1.11.x before 1.11.29 do not use a constant-time
algorithm to perform a modular inverse on the signature nonce k, which
might allow remote attackers to obtain ECDSA secret keys via a timing
side-channel attack.

Bugs

OSVersionArchitecturePackageVersionFilename
ubuntu14.04noarchbotan1.10< 1.10.5-1+deb7u1ubuntu0.14.04.1UNKNOWN
ubuntu16.04noarchbotan1.10< anyUNKNOWN

CVSS2

5

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

EPSS

0.006

Percentile

79.2%