PT-2016-3308 · Mysql Server+11 · Mysql Server+12
Guido Vranken
·
Publicado
2016-05-03
·
Atualizado
2024-06-15
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CVE-2016-2105
CVSS v2.0
7.8
Alta
| Vetor | AV:N/AC:L/Au:N/C:N/I:N/A:C |
Name of the Vulnerable Software and Affected Versions
OpenSSL versions prior to 1.0.1t and 1.0.2h
MySQL Server versions 5.6.30 and earlier, 5.7.12 and earlier
Description
The issue is related to an integer overflow in the EVP EncodeUpdate function in OpenSSL, which can cause a denial of service or potentially allow remote attackers to execute arbitrary code. This is due to improper bounds checking, allowing an attacker to overflow a buffer by sending a large amount of binary data. The vulnerability can be exploited by an unauthenticated, remote attacker. It affects various products, including MySQL Server, and can result in unauthorized ability to cause a hang or crash of the server.
Recommendations
For OpenSSL versions prior to 1.0.1t and 1.0.2h, update to version 1.0.1t or 1.0.2h or later to resolve the issue.
For MySQL Server versions 5.6.30 and earlier, 5.7.12 and earlier, update to a version later than 5.6.30 or 5.7.12 to resolve the issue.
As a temporary workaround, consider restricting access to the EVP EncodeUpdate function until a patch is available.
Exploit
Correção
DoS
Integer Overflow
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