CVE-2010-1866

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Summary

CVECVE-2010-1866
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2010-05-07 23:00:01 UTC
Updated2026-04-29 01:13:23 UTC
DescriptionThe 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.

Risk And Classification

Primary CVSS: v3.1 9.8 CRITICAL from [email protected]

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Problem Types: CWE-190 | n/a

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary9.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
2.0[email protected]Primary7.5AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial

AV:N/AC:L/Au:N/C:P/I:P/A:P

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Opensuse Opensuse 11.1 All All All
Operating System Opensuse Opensuse 11.2 All All All
Operating System Opensuse Opensuse 11.3 All All All
Application Php Php All All All All
Operating System Suse Linux Enterprise 10.0 sp3 All All
Operating System Suse Linux Enterprise 11.0 - All All
Operating System Suse Linux Enterprise 11.0 sp1 All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
MOPS-2010-003: PHP dechunk Filter Signed Comparison Vulnerability « the Month of PHP Security af854a3a-2127-422b-91ae-364da2661108 php-security.org Broken Link, Exploit
[security-announce] SUSE Security Summary Report: SUSE-SR:2010:017 af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org Mailing List
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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