Vulnerability Details : CVE-2009-3826
Multiple buffer overflows in squidGuard 1.4 allow remote attackers to bypass intended URL blocking via a long URL, related to (1) the relationship between a certain buffer size in squidGuard and a certain buffer size in Squid and (2) a redirect URL that contains information about the originally requested URL.
Vulnerability category: Overflow
Products affected by CVE-2009-3826
- cpe:2.3:a:squidguard:squidguard:1.4:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2009-3826
3.85%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 92 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2009-3826
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-2009-3826
-
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.Assigned by: nvd@nist.gov (Primary)
References for CVE-2009-3826
-
http://www.vupen.com/english/advisories/2010/1043
Site en construction
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http://www.debian.org/security/2010/dsa-2040
[SECURITY] [DSA 2040-1] New squidguard packages fix several vulnerabilities
-
http://www.securityfocus.com/bid/36800
Patch
-
http://www.vupen.com/english/advisories/2009/3013
Site en constructionPatch;Vendor Advisory
-
http://securitytracker.com/id?1023079
Access Denied
-
http://www.securityfocus.com/archive/1/507440/100/0/threaded
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http://lists.opensuse.org/opensuse-security-announce/2010-08/msg00001.html
[security-announce] SUSE Security Summary Report: SUSE-SR:2010:014
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https://exchange.xforce.ibmcloud.com/vulnerabilities/53922
squidGuard URL security bypass CVE-2009-3826 Vulnerability Report
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http://www.squidguard.org/Downloads/Patches/1.4/Readme.Patch-20091019
Vendor Advisory
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