Vulnerability Details : CVE-2012-2686

Public exploit exists!
crypto/evp/e_aes_cbc_hmac_sha1.c in the AES-NI functionality in the TLS 1.1 and 1.2 implementations in OpenSSL 1.0.1 before 1.0.1d allows remote attackers to cause a denial of service (application crash) via crafted CBC data.
Published 2013-02-08 19:55:01
Updated 2018-08-09 01:29:00
Source Red Hat, Inc.
View at NVD,   CVE.org
Vulnerability category: Denial of service

Products affected by CVE-2012-2686

Exploit prediction scoring system (EPSS) score for CVE-2012-2686

EPSS FAQ
18.63%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 96 %
Percentile, the proportion of vulnerabilities that are scored at or less

Metasploit modules for CVE-2012-2686

  • OpenSSL TLS 1.1 and 1.2 AES-NI DoS
    Disclosure Date: 2013-02-05
    First seen: 2020-04-26
    auxiliary/dos/ssl/openssl_aesni
    The AES-NI implementation of OpenSSL 1.0.1c does not properly compute the length of an encrypted message when used with a TLS version 1.1 or above. This leads to an integer underflow which can cause a DoS. The vulnerable function aesni_cbc_hmac_sha1_cipher is only

CVSS scores for CVE-2012-2686

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
5.0
 MEDIUM AV:N/AC:L/Au:N/C:N/I:N/A:P
10.0
2.9
 NIST

CWE ids for CVE-2012-2686

  • Assigned by: nvd@nist.gov (Primary)

References for CVE-2012-2686

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