838 : Apache HTTP Server Chunked Encoding Remote Overflow
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Views This Week	Views All Time	Added to OSVDB	Last Modified	Modified (since 2008)	Percent Complete
30	4759	over 9 years ago	about 1 year ago	11 times	90%

Timeline

Disclosure Date
2002-06-19

Keywords

HPSBMA02149, SSRT050968

Description

Apache Web Server contains a flaw that allows a remote attacker to execute arbitrary code. The issue is due to the mechanism that calculates the size of "chunked" encoding not properly interpreting the buffer size of data being transferred. By sending a specially crafted chunk of data, an attacker can possibly execute arbitrary code or crash the server.

Classification

Location: Remote / Network Access
Attack Type: Input Manipulation
Impact: Loss of Integrity
Solution: Upgrade
Exploit: Exploit Public, Exploit Commercial
Disclosure: OSVDB Verified, Vendor Verified
OSVDB: Web Related

Solution

Upgrade to version 1.3.26, 2.0.39 or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.

Products

Apache Software Foundation	Web Server	1.2.x
		1.3.0
		1.3.1
		1.3.11
		1.3.12
		1.3.14
		1.3.17
		1.3.19
		1.3.2
		1.3.20
		1.3.22
		1.3.23
		1.3.24
		1.3.3
		1.3.4
		1.3.6
		1.3.9
		2.0.15
		2.0.16
		2.0.18
		2.0.28
		2.0.32
		2.0.35
		2.0.36

References

Tools & Filters

	11030 12305 14778 14968 14969 14970
	1495
Snort	1807 1808 1809

Credit

Unknown or Incomplete

CVSSv2 Score

CVSSv2 Base Score = 10.0
Source: osvdb.org | Generated: 2010-05-28 | Disagree? | There are 1 more: View All

Blogs

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