CVE-2010-1866

EPSS 6.7%

The dechunk filter in PHP 5.3 through 5.3.2, when decoding an HTTP chunked encoding stream, allows context-dependent attackers to cause a denial of service (crash) and possibly trigger memory corruption via a negative chunk size, which bypasses a signed comparison, related to an integer overflow in the chunk size decoder.

Affected products

n/a · n/a

public PoCs found — 1

exploitdbwww.exploit-db.com/exploits/33920unverified

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References

http://lists.opensuse.org/opensuse-security-announce/2010-09/msg00006.html http://php-security.org/2010/05/02/mops-2010-003-php-dechunk-filter-signed-comparison-vulnerability/index.html