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Multiple buffer overflows in the POSIX readdir_r function, as used in multiple packages, allow local users to cause a denial of service and possibly execute arbitrary code via (1) a symlink attack that exploits a race condition between opendir and pathcon calls and changes the filesystem to one with a larger maximum directory-entry name length, or (2) possibly via programmer-introduced errors on operating systems with a small struct dirent, such as Solaris or BeOS, as demonstrated in packages including (a) gcj, (b) KDE, (c) libwww, (d) the Rudiments library, (e) teTeX, (f) xmail, (g) bfbtester, (h) ncftp, (i) netwib, (j) OpenOffice.org, (k) Pike, (l) reprepro, (m) Tcl, and (n) xgsmlib.
Publish Date : 2005-12-31 Last Update Date : 2008-09-05
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CVSS Scores & Vulnerability Types
| Cvss Score |
5.6 |
| Confidentiality Impact |
Complete
(There is total information disclosure, resulting in all system files being revealed.) |
| 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 |
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 |
CWE id is not defined for this vulnerability |
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Vendor Statements
This issue did not affect the Linux glibc.
Source:
Redhat
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Products Affected By CVE-2005-4784
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Number Of Affected Versions By Product
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References For CVE-2005-4784
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Metasploit Modules Related To CVE-2005-4784
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