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skeleton.c in yacc does not properly handle reduction of a rule with an empty right hand side, which allows context-dependent attackers to cause an out-of-bounds stack access when the yacc stack pointer points to the end of the stack.
Publish Date : 2008-07-16 Last Update Date : 2012-11-26
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CVSS Scores & Vulnerability Types
| CVSS Score |
7.8 |
| Confidentiality Impact |
None
(There is no impact to the confidentiality of the system.) |
| Integrity Impact |
None
(There is no impact to the integrity of the system) |
| Availability Impact |
Complete
(There is a total shutdown of the affected resource. The attacker can render the resource completely unavailable.) |
| Access Complexity |
Low
(Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. ) |
| Authentication |
Not required
(Authentication is not required to exploit the vulnerability.) |
| Gained Access |
None |
| Vulnerability Type(s) |
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| CWE ID |
399 |
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Vendor Statements
Red Hat is aware of this issue and is tracking it via the following bug: https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=CVE-2008-3196
The Red Hat Security Response Team has rated this issue as having low security impact, a future update may address this flaw.
Source:
Redhat
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Products Affected By CVE-2008-3196
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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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Yacc |
Yacc |
1 |
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References For CVE-2008-3196
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Metasploit Modules Related To CVE-2008-3196
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