Botan up to 2.19.2 OCSP Response certificate validation
|CVSS Meta Temp Score|
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|Current Exploit Price (≈)|
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|CTI Interest Score|
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A vulnerability was found in Botan up to 2.19.2 and classified as critical. Affected by this issue is some unknown processing of the component OCSP Response Handler. The manipulation with an unknown input leads to a certificate validation vulnerability. Using CWE to declare the problem leads to CWE-295. The software does not validate, or incorrectly validates, a certificate. Impacted is confidentiality, integrity, and availability. CVE summarizes:
In Botan before 2.19.3, it is possible to forge OCSP responses due to a certificate verification error. This issue was introduced in Botan 1.11.34 (November 2016).
The weakness was published 11/27/2022 as GHSA-4v9w-qvcq-6q7w. The advisory is available at github.com. This vulnerability is handled as CVE-2022-43705 since 10/24/2022. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1587.003 by the MITRE ATT&CK project.
Upgrading to version 2.19.3 eliminates this vulnerability. The upgrade is hosted for download at github.com.
CVSSv3VulDB Meta Base Score: 7.7
VulDB Meta Temp Score: 7.5
VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔒
VulDB Reliability: 🔍
NVD Base Score: 9.1
NVD Vector: 🔒
VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
ExploitingClass: Certificate validation
CWE: CWE-295 / CWE-287
Status: Not defined
EPSS Score: 🔒
EPSS Percentile: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒
Threat IntelligenceInterest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍
0-Day Time: 🔒
Upgrade: Botan 2.19.3
Timeline10/24/2022 CVE reserved
11/27/2022 +34 days Advisory disclosed
11/27/2022 +0 days VulDB entry created
12/23/2022 +26 days VulDB last update
CVE: CVE-2022-43705 (🔒)
EntryCreated: 11/27/2022 11:13 AM
Updated: 12/23/2022 03:59 PM
Changes: 11/27/2022 11:13 AM (41), 12/23/2022 03:59 PM (11)
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