Siemens BFCClient
Siemens BFCClient contains multiple vulnerabilities in the integrated OpenSSL component that could allow an attacker to read memory contents, to change the application behaviour or to create a denial of service condition. Siemens has released a new version for BFCClient and recommends to update to the latest version.
describes (5)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2023-0464US | high7.5 | Exploit | ||
A security vulnerability has been identified in all supported versions
of OpenSSL related to the verification of X.509 certificate chains
that include policy constraints. Attacke… | ||||
| CVE-2023-0286US | high7.4 | — | ||
There is a type confusion vulnerability relating to X.400 address processing
inside an X.509 GeneralName. X.400 addresses were parsed as an ASN1_STRING but
the public structure def… | ||||
| CVE-2022-0778US | high7.5 | Exploit | ||
The BN_mod_sqrt() function, which computes a modular square root, contains a bug that can cause it to loop forever for non-prime moduli. Internally this function is used when parsi… | ||||
| CVE-2021-3712US | high7.4 | Exploit | ||
ASN.1 strings are represented internally within OpenSSL as an ASN1_STRING structure which contains a buffer holding the string data and a field holding the buffer length. This cont… | ||||
| CVE-2021-3711US | critical9.8 | — | ||
In order to decrypt SM2 encrypted data an application is expected to call the API function EVP_PKEY_decrypt(). Typically an application will call this function twice. The first tim… | ||||
references
External citations — patches, advisories, analysis.
- SSA-028723: Multiple OpenSSL Vulnerabilities in BFCClient Before V2.17 - CSAF Versionself
- SSA-028723: Multiple OpenSSL Vulnerabilities in BFCClient Before V2.17 - HTML Versionself
- ICS Advisory ICSA-25-226-21 JSONself
- Recommended Practicesexternal
- ICS Advisory ICSA-25-226-21 - Web Versionself
- Recommended Practicesexternal
- Recommended Practicesexternal
- Recommended Practicesexternal
remediations (6)
- MitigationBFCClient
Disable CRL (certification revocation list) checking, if possible
- FixedBFCClient
Update to V2.17 or later version. Contact customer support to obtain the update
- FixedBFCClient
Update to V2.17 or later version. Contact customer support to obtain the update
- FixedBFCClient
Update to V2.17 or later version. Contact customer support to obtain the update
- FixedBFCClient
Update to V2.17 or later version. Contact customer support to obtain the update
- FixedBFCClient
Update to V2.17 or later version. Contact customer support to obtain the update
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