Vulnerability Name:

CVE-2016-8871 (CCN-119015)

Assigned:2016-10-21
Published:2016-10-21
Updated:2016-11-29
Summary:In Botan 1.11.29 through 1.11.32, RSA decryption with certain padding options had a detectable timing channel which could given sufficient queries be used to recover plaintext, aka an "OAEP side channel" attack.
CVSS v3 Severity:6.2 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N)
5.4 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): None
Availibility (A): None
6.2 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N)
5.4 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): None
Availibility (A): None
CVSS v2 Severity:2.1 Low (CVSS v2 Vector: AV:L/AC:L/Au:N/C:P/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): None
4.9 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:C/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): None
Availibility (A): None
Vulnerability Type:CWE-200
Vulnerability Consequences:Obtain Information
References:Source: MITRE
Type: CNA
CVE-2016-8871

Source: BID
Type: Third Party Advisory, VDB Entry
94225

Source: CCN
Type: BID-94225
Botan CVE-2016-8871 Local Information Disclosure Vulnerability

Source: CCN
Type: Botan Web site
Botan: Crypto and TLS for C++11 — Botan

Source: CCN
Type: Botan Web site
2016-10-8871 (CVE-2016-8871) OAEP side channel

Source: CONFIRM
Type: Vendor Advisory
https://botan.randombit.net/security.html

Source: XF
Type: UNKNOWN
botan-cve20168871-info-disc(119015)

Vulnerable Configuration:Configuration 1:
  • cpe:/a:botan_project:botan:1.11.29:*:*:*:*:*:*:*
  • OR cpe:/a:botan_project:botan:1.11.30:*:*:*:*:*:*:*
  • OR cpe:/a:botan_project:botan:1.11.31:*:*:*:*:*:*:*
  • OR cpe:/a:botan_project:botan:1.11.32:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:botan_project:botan:1.11.29:*:*:*:*:*:*:*
  • OR cpe:/a:botan_project:botan:1.11.30:*:*:*:*:*:*:*
  • OR cpe:/a:botan_project:botan:1.11.31:*:*:*:*:*:*:*
  • OR cpe:/a:botan_project:botan:1.11.32:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.precise:def:20168871000
    V
    		CVE-2016-8871 on Ubuntu 12.04 LTS (precise) - medium.
    2016-10-28
    oval:com.ubuntu.trusty:def:20168871000
    V
    		CVE-2016-8871 on Ubuntu 14.04 LTS (trusty) - medium.
    2016-10-28
    oval:com.ubuntu.xenial:def:20168871000
    V
    		CVE-2016-8871 on Ubuntu 16.04 LTS (xenial) - medium.
    2016-10-28
    oval:com.ubuntu.xenial:def:201688710000000
    V
    		CVE-2016-8871 on Ubuntu 16.04 LTS (xenial) - medium.
    2016-10-28
    BACK
    botan_project botan 1.11.29
    botan_project botan 1.11.30
    botan_project botan 1.11.31
    botan_project botan 1.11.32
    botan_project botan 1.11.29
    botan_project botan 1.11.30
    botan_project botan 1.11.31
    botan_project botan 1.11.32