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OVAL Definitions
>
OVAL Definition Details
Id
oval:com.altx-soft.win:def:93256
[Rus]
Version
1
Class
vulnerability
ALTXid
444741
Language
English
Severity
Medium
Title
Vulnerability in OpenSSL 3.1.0 before 3.1.2, and 3.0.0 before 3.0.10 (CVE-2023-2975)
Description
The AES-SIV cipher implementation contains a bug that causes
it to ignore empty associated data entries which are unauthenticated as a consequence.
Family
windows
Product
OpenSSL
Reference
OpenSSL: 20230707
OpenSSL: 20230707
Id:
20230707
Reference:
https://www.openssl.org/news/vulnerabilities.html
CVE: CVE-2023-2975
CVE: CVE-2023-2975
Id:
CVE-2023-2975
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-2975
Comment
: Issue summary: The AES-SIV cipher implementation contains a bug that causes it to ignore empty associated data entries which are unauthenticated as a consequence. Impact summary: Applications that use the AES-SIV algorithm and want to authenticate empty data entries as associated data can be mislead by removing adding or reordering such empty entries as these are ignored by the OpenSSL implementation. We are currently unaware of any such applications. The AES-SIV algorithm allows for authentication of multiple associated data entries along with the encryption. To authenticate empty data the application has to call EVP_EncryptUpdate() (or EVP_CipherUpdate()) with NULL pointer as the output buffer and 0 as the input buffer length. The AES-SIV implementation in OpenSSL just returns success for such a call instead of performing the associated data authentication operation. The empty data thus will not be authenticated. As this issue does not affect non-empty associated data authentication and we expect it to be rare for an application to use empty associated data entries this is qualified as Low severity issue.
CVSSv3 Score:
5.3
Attack vector:
NETWORK
Attack complexity:
LOW
Privileges required:
NONE
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
NONE
Integrity impact:
LOW
Availability impact:
NONE
CVSSv3 Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
CWE:
287 (Improper Authentication)
References:
https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=6a83f0c958811f07e0d11dfc6b5a6a98edfd5bdc (MISC)
https://www.openssl.org/news/secadv/20230714.txt (MISC)
https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=00e2f5eea29994d19293ec4e8c8775ba73678598 (MISC)
http://www.openwall.com/lists/oss-security/2023/07/15/1 (MISC)
http://www.openwall.com/lists/oss-security/2023/07/19/5 (MISC)
https://security.netapp.com/advisory/ntap-20230725-0004/ (MISC)
https://security.gentoo.org/glsa/202402-08 ()
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