Vulnerability Details : CVE-2009-2477

Public exploit exists!
js/src/jstracer.cpp in the Just-in-time (JIT) JavaScript compiler (aka TraceMonkey) in Mozilla Firefox 3.5 before 3.5.1 allows remote attackers to execute arbitrary code via certain use of the escape function that triggers access to uninitialized memory locations, as originally demonstrated by a document containing P and FONT elements.
Published 2009-07-15 15:30:01
Updated 2017-09-19 01:29:08
Source MITRE
View at NVD,   CVE.org
Vulnerability category: Execute code

Exploit prediction scoring system (EPSS) score for CVE-2009-2477

EPSS FAQ
97.12%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 100 %
Percentile, the proportion of vulnerabilities that are scored at or less

Metasploit modules for CVE-2009-2477

  • Firefox 3.5 escape() Return Value Memory Corruption
    Disclosure Date: 2009-07-13
    First seen: 2020-04-26
    exploit/multi/browser/firefox_escape_retval
    This module exploits a memory corruption vulnerability in the Mozilla Firefox browser. This flaw occurs when a bug in the javascript interpreter fails to preserve the return value of the escape() function and results in uninitialized memory being used instead. This

CVSS scores for CVE-2009-2477

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
9.3
 HIGH AV:N/AC:M/Au:N/C:C/I:C/A:C
8.6
10.0
 NIST

CWE ids for CVE-2009-2477

  • The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2009-2477

Products affected by CVE-2009-2477

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