Vulnerability Name:

CVE-2021-24115 (CCN-197146)

Assigned:2020-12-21
Published:2020-12-21
Updated:2021-02-26
Summary:In Botan before 2.17.3, constant-time computations are not used for certain decoding and encoding operations (base32, base58, base64, and hex).
CVSS v3 Severity:9.8 Critical (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
8.8 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
5.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N)
4.8 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:P/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): Low
Availibility (A): None
CVSS v2 Severity:7.5 High (CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
5.0 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): None
Vulnerability Type:CWE-noinfo
Vulnerability Consequences:Other
References:Source: MITRE
Type: CNA
CVE-2021-24115

Source: CCN
Type: Botan Web site
Botan

Source: CONFIRM
Type: Release Notes, Vendor Advisory
https://botan.randombit.net/news.html

Source: XF
Type: UNKNOWN
botan-cve202124115-unspecified(197146)

Source: MISC
Type: Patch, Third Party Advisory
https://github.com/randombit/botan/compare/2.17.2...2.17.3

Source: MISC
Type: Patch, Third Party Advisory
https://github.com/randombit/botan/pull/2549

Source: CCN
Type: Packet Storm Security [11-17-2022]
Botan C++ Crypto Algorithms Library 2.19.3

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2021-24115

Vulnerable Configuration:Configuration 1:
  • cpe:/a:botan_project:botan:*:*:*:*:*:*:*:* (Version < 2.17.3)

    • Configuration CCN 1:
  • cpe:/a:botan_project:botan:2.17.2:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:100367
    P
    		 (Important)
    2021-12-17
    oval:org.opensuse.security:def:103177
    P
    		Security update for Botan (Important)
    2021-05-25
    oval:org.opensuse.security:def:96487
    P
    		Security update for Botan (Important)
    2021-05-25
    oval:org.opensuse.security:def:11220
    P
    		Security update for Botan (Important)
    2021-05-25
    oval:org.opensuse.security:def:109834
    P
    		Security update for Botan (Important)
    2021-05-25
    oval:org.opensuse.security:def:96485
    P
    		Security update for Botan (Important)
    2021-05-22
    oval:org.opensuse.security:def:111399
    P
    		Security update for Botan (Important)
    2021-05-22
    oval:org.opensuse.security:def:11218
    P
    		Security update for Botan (Important)
    2021-05-22
    oval:org.opensuse.security:def:107033
    P
    		Security update for Botan (Important)
    2021-05-22
    oval:org.opensuse.security:def:109832
    P
    		Security update for Botan (Important)
    2021-05-22
    oval:org.opensuse.security:def:93654
    P
    		Security update for Botan (Important)
    2021-05-22
    oval:org.opensuse.security:def:103175
    P
    		Security update for Botan (Important)
    2021-05-22
    BACK
    botan_project botan *
    botan_project botan 2.17.2