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Use-after-free vulnerability in the _gnutls_handshake_hash_buffers_clear function in lib/gnutls_handshake.c in libgnutls in GnuTLS 2.3.5 through 2.4.0 allows remote attackers to cause a denial of service (crash) or possibly execute arbitrary code via TLS transmission of data that is improperly used when the peer calls gnutls_handshake within a normal session, leading to attempted access to a deallocated libgcrypt handle.
Publish Date : 2008-08-08 Last Update Date : 2017-08-08
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CVSS Scores & Vulnerability Types
| CVSS Score |
7.6 |
| Confidentiality Impact |
Complete
(There is total information disclosure, resulting in all system files being revealed.) |
| Integrity Impact |
Complete
(There is a total compromise of system integrity. There is a complete loss of system protection, resulting in the entire system being compromised.) |
| Availability Impact |
Complete
(There is a total shutdown of the affected resource. The attacker can render the resource completely unavailable.) |
| Access Complexity |
High
(Specialized access conditions exist. It is hard to exploit and several special conditions must be satisfied to exploit) |
| Authentication |
Not required
(Authentication is not required to exploit the vulnerability.) |
| Gained Access |
None |
| Vulnerability Type(s) |
Denial Of ServiceExecute CodeOverflow |
| CWE ID |
119 |
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Vendor Statements
Not vulnerable. This issue did not affect the versions of gnutls as shipped with Red Hat Enterprise Linux 4, or 5.
Source:
Redhat
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Products Affected By CVE-2008-2377
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Number Of Affected Versions By Product
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Vendor
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Product
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Vulnerable Versions
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GNU |
Gnutls |
6 |
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References For CVE-2008-2377
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Metasploit Modules Related To CVE-2008-2377
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