CVE-2010-4699

Severity

50%

Complexity

99%

Confidentiality

48%

The iconv_mime_decode_headers function in the Iconv extension in PHP before 5.3.4 does not properly handle encodings that are unrecognized by the iconv and mbstring (aka Multibyte String) implementations, which allows remote attackers to trigger an incomplete output array, and possibly bypass spam detection or have unspecified other impact, via a crafted Subject header in an e-mail message, as demonstrated by the ks_c_5601-1987 character set.

The iconv_mime_decode_headers function in the Iconv extension in PHP before 5.3.4 does not properly handle encodings that are unrecognized by the iconv and mbstring (aka Multibyte String) implementations, which allows remote attackers to trigger an incomplete output array, and possibly bypass spam detection or have unspecified other impact, via a crafted Subject header in an e-mail message, as demonstrated by the ks_c_5601-1987 character set.

CVSS 2.0 Base Score 5. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (AV:N/AC:L/Au:N/C:N/I:P/A:N).

Overview

Type

PHP

First reported 14 years ago

2011-01-18 20:00:00

Last updated 6 years ago

2018-10-30 16:26:00

Affected Software

PHP PHP_FI 1.0

1.0

PHP PHP_FI 2.0

2.0

PHP PHP_FI 2.0b10

2.0b10

PHP PHP 3.0

3.0

PHP PHP 3.0.1

3.0.1

PHP PHP 3.0.2

3.0.2

PHP PHP 3.0.3

3.0.3

PHP PHP 3.0.4

3.0.4

PHP PHP 3.0.5

3.0.5

PHP PHP 3.0.6

3.0.6

PHP PHP 3.0.7

3.0.7

PHP PHP 3.0.8

3.0.8

PHP PHP 3.0.9

3.0.9

PHP PHP 3.0.10

3.0.10

PHP PHP 3.0.11

3.0.11

PHP PHP 3.0.12

3.0.12

PHP PHP 3.0.13

3.0.13

PHP PHP 3.0.14

3.0.14

PHP PHP 3.0.15

3.0.15

PHP PHP 3.0.16

3.0.16

PHP PHP 3.0.17

3.0.17

PHP PHP 3.0.18

3.0.18

PHP 4.0.0

4.0

PHP PHP 4.0 Beta 1

4.0

PHP PHP 4.0 Beta 2

4.0

PHP PHP 4.0 Beta 3

4.0

PHP PHP 4.0 Beta 4

4.0

PHP PHP 4.0 Beta 4 Patch Level 1

4.0

PHP PHP 4.0.0

4.0.0

PHP PHP 4.0.1

4.0.1

PHP PHP 4.0.2

4.0.2

PHP PHP 4.0.3

4.0.3

PHP PHP 4.0.4

4.0.4

PHP PHP 4.0.5

4.0.5

PHP PHP 4.0.6

4.0.6

PHP PHP 4.0.7

4.0.7

PHP PHP 4.1.0

4.1.0

PHP PHP 4.1.1

4.1.1

PHP PHP 4.1.2

4.1.2

PHP PHP 4.2.0

4.2.0

PHP PHP 4.2.1

4.2.1

PHP PHP 4.2.2

4.2.2

PHP PHP 4.2.3

4.2.3

PHP PHP 4.3.0

4.3.0

PHP PHP 4.3.1

4.3.1

PHP PHP 4.3.2

4.3.2

PHP PHP 4.3.3

4.3.3

PHP PHP 4.3.4

4.3.4

PHP PHP 4.3.5

4.3.5

PHP PHP 4.3.6

4.3.6

PHP PHP 4.3.7

4.3.7

PHP PHP 4.3.8

4.3.8

PHP PHP 4.3.9

4.3.9

PHP PHP 4.3.10

4.3.10

PHP PHP 4.3.11

4.3.11

PHP PHP 4.4.0

4.4.0

PHP PHP 4.4.1

4.4.1

PHP PHP 4.4.2

4.4.2

PHP PHP 4.4.3

4.4.3

PHP PHP 4.4.4

4.4.4

PHP PHP 4.4.5

4.4.5

PHP PHP 4.4.6

4.4.6

PHP PHP 4.4.7

4.4.7

PHP 4.4.8

4.4.8

PHP 4.4.9

4.4.9

PHP PHP 5.0.0

5.0.0

PHP PHP 5.0.0 Beta1

5.0.0

PHP PHP 5.0.0 Beta2

5.0.0

PHP PHP 5.0.0 Beta3

5.0.0

PHP PHP 5.0.0 Beta4

5.0.0

PHP PHP 5.0.0 RC1

5.0.0

PHP PHP 5.0.0 RC2

5.0.0

PHP PHP 5.0.0 RC3

5.0.0

PHP PHP 5.0.1

5.0.1

PHP PHP 5.0.2

5.0.2

PHP PHP 5.0.3

5.0.3

PHP PHP 5.0.4

5.0.4

PHP PHP 5.0.5

5.0.5

PHP PHP 5.1.0

5.1.0

PHP PHP 5.1.1

5.1.1

PHP PHP 5.1.2

5.1.2

PHP PHP 5.1.3

5.1.3

PHP 5.1.4

5.1.4

PHP PHP 5.1.5

5.1.5

PHP PHP 5.1.6

5.1.6

PHP 5.2.0

5.2.0

PHP 5.2.1

5.2.1

PHP 5.2.2

5.2.2

PHP 5.2.3

5.2.3

PHP 5.2.4

5.2.4

PHP 5.2.5

5.2.5

PHP 5.2.6

5.2.6

PHP 5.2.7

5.2.7

PHP 5.2.8

5.2.8

PHP 5.2.9

5.2.9

PHP 5.2.10

5.2.10

PHP 5.2.11

5.2.11

PHP 5.2.12

5.2.12

PHP 5.2.13

5.2.13

PHP 5.2.14

5.2.14

PHP 5.2.15

5.2.15

PHP 5.2.16

5.2.16

PHP 5.2.17

5.2.17

PHP 5.3.0

5.3.0

PHP 5.3.1

5.3.1

PHP 5.3.2

5.3.2

PHP PHP

References

http://bugs.php.net/52941

[php-general] 20070410 Decoding from unknown charsets (inc. ks_c_5601-1987)

http://www.php.net/ChangeLog-5.php

php-iconvmimedecodeheaders-sec-bypass(64963)

oval:org.mitre.oval:def:12393

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