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OpenAdvisories
Medium WID-SEC-2023-0304 8 CVEs

OpenSSL: Mehrere Schwachstellen

Published Feb 7, 2023 · Updated May 5, 2026 · Revision 96 · de-DE

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Summary

Ein entfernter, authentisierter oder anonymer Angreifer kann mehrere Schwachstellen in OpenSSL ausnutzen, um einen Denial of Service Angriff durchzuführen, Informationen offenzulegen oder Chiffretext über ein Netzwerk wiederherzustellen.

Product

OpenSSL ist eine im Quelltext frei verfügbare Bibliothek, die Secure Sockets Layer (SSL) und Transport Layer Security (TLS) implementiert.

Vulnerabilities 8

  • High 7.5
    CVE-2022-4450 EPSS 29%

    Double free after calling PEM_read_bio_ex

    The function PEM_read_bio_ex() reads a PEM file from a BIO and parses and decodes the "name" (e.g. "CERTIFICATE"), any header data and the payload data. If the function succeeds then the "name_out", "header" and "data" arguments are populated with pointers to…

    OpenSSL OpenSSL openssl nodejs Debian Ubuntu Azure Linux Alpine Wolfi crates.io
  • High 7.5
    CVE-2023-0215

    Use-after-free following BIO_new_NDEF

    The public API function BIO_new_NDEF is a helper function used for streaming ASN.1 data via a BIO. It is primarily used internally to OpenSSL to support the SMIME, CMS and PKCS7 streaming capabilities, but may also be called directly by end user applications.…

    OpenSSL OpenSSL openssl nodejs Debian Ubuntu Azure Linux Alpine Wolfi crates.io
  • High 7.5
    CVE-2023-0216

    Invalid pointer dereference in d2i_PKCS7 functions

    An invalid pointer dereference on read can be triggered when an application tries to load malformed PKCS7 data with the d2i_PKCS7(), d2i_PKCS7_bio() or d2i_PKCS7_fp() functions. The result of the dereference is an application crash which could lead to a denia…

    OpenSSL OpenSSL openssl openssl Debian Ubuntu Alpine Wolfi crates.io
  • High 7.5
    CVE-2023-0217

    NULL dereference validating DSA public key

    An invalid pointer dereference on read can be triggered when an application tries to check a malformed DSA public key by the EVP_PKEY_public_check() function. This will most likely lead to an application crash. This function can be called on public keys suppl…

    OpenSSL OpenSSL openssl openssl Debian Ubuntu Alpine Wolfi crates.io
  • High 7.5
    CVE-2023-0401

    NULL dereference during PKCS7 data verification

    A NULL pointer can be dereferenced when signatures are being verified on PKCS7 signed or signedAndEnveloped data. In case the hash algorithm used for the signature is known to the OpenSSL library but the implementation of the hash algorithm is not available t…

    OpenSSL OpenSSL openssl nodejs Debian Ubuntu Alpine Wolfi crates.io
  • High 7.4
    CVE-2023-0286 Public exploit EPSS 68%

    X.400 address type confusion in X.509 GeneralName

    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 definition for GENERAL_NAME incorrectly specified the type of the x400Address fiel…

    OpenSSL OpenSSL openssl nodejs Debian Ubuntu Azure Linux Alpine Wolfi PyPI crates.io
  • Medium 5.9
    CVE-2022-4304 Public exploit EPSS 24%

    Timing Oracle in RSA Decryption

    A timing based side channel exists in the OpenSSL RSA Decryption implementation which could be sufficient to recover a plaintext across a network in a Bleichenbacher style attack. To achieve a successful decryption an attacker would have to be able to send a …

    OpenSSL OpenSSL openssl nodejs Debian Ubuntu Azure Linux Alpine Wolfi crates.io
  • Medium 4.9
    CVE-2022-4203

    X.509 Name Constraints Read Buffer Overflow

    A read buffer overrun can be triggered in X.509 certificate verification, specifically in name constraint checking. Note that this occurs after certificate chain signature verification and requires either a CA to have signed the malicious certificate or for t…

    OpenSSL OpenSSL openssl openssl Debian Ubuntu Alpine Wolfi crates.io

Revision history

  1. #96

    Neue Updates von Dell aufgenommen

  2. #95

    Neue Updates von openSUSE aufgenommen

  3. #94

    Neue Updates von openSUSE aufgenommen

  4. #93

    Neue Updates aufgenommen

  5. #92

    Neue Updates von Dell aufgenommen

  6. #91

    Neue Updates von Dell aufgenommen

  7. #90

    Neue Updates von HP und Oracle Linux aufgenommen

  8. #89

    Neue Updates von Oracle Linux aufgenommen

  9. #88

    Neue Updates von Red Hat aufgenommen

  10. #87

    Neue Updates von Red Hat aufgenommen

  11. #86

    Neue Updates von IBM aufgenommen

  12. #85

    Neue Updates von IBM aufgenommen

  13. #84

    Neue Updates von IBM aufgenommen

  14. #83

    Neue Updates von Dell aufgenommen

  15. #82

    Neue Updates von Oracle Linux aufgenommen

  16. #81

    Neue Updates von IBM aufgenommen

  17. #80

    Neue Updates von moxa aufgenommen

  18. #79

    Neue Updates von HITACHI aufgenommen

  19. #78

    Neue Updates von Red Hat aufgenommen

  20. #77

    Neue Updates von Red Hat aufgenommen

  21. #76

    Neue Updates aufgenommen

  22. #75

    Neue Updates von Dell aufgenommen

  23. #74

    Neue Updates von Dell aufgenommen

  24. #73

    Neue Updates von Oracle Linux aufgenommen

  25. #72

    Neue Updates aufgenommen

References