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OpenSSL: Multiple Vulnerabilities (0.9.8 - 0.9.8l) (Linux)

Information

Severity

Severity

Critical

Family

Family

General

CVSSv2 Base

CVSSv2 Base

10.0

CVSSv2 Vector

CVSSv2 Vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

Solution Type

Solution Type

Vendor Patch

Created

Created

2 years ago

Modified

Modified

2 years ago

Summary

OpenSSL is prone to multiple vulnerabilities.

Insight

Insight

The following vulnerabilities exist: - Multiple denial of service flaws in the DTLS implementation (CVE-2009-1377, CVE-2009-1378, CVE-2009-1387) - Use-after-free vulnerability in the dtls1_retrieve_buffered_fragment function could cause a client accessing a malicious DTLS server to crash (CVE-2009-1379) - It was discovered that OpenSSL did not always check the return value of the bn_wexpand() function. An attacker able to trigger a memory allocation failure in that function could cause an application using the OpenSSL library to crash or, possibly, execute arbitrary code (CVE-2009-3245) - A Man-in-the-middle renegotiation attack (CVE-2009-3555) - A memory leak in the zlib_stateful_finish function in crypto/comp/c_zlib.c allows remote attackers to cause a denial of service via vectors that trigger incorrect calls to the CRYPTO_cleanup_all_ex_data function (CVE-2009-4355)

Affected Software

Affected Software

OpenSSL 0.9.8 through 0.9.8l.

Detection Method

Detection Method

Checks if a vulnerable version is present on the target host.

Solution

Solution

Update to version 0.9.8m or later.