CVE-2003-0166 EXPLOIT
7.5
HIGH · CVSS 2.0 · EPSS 14.1% (pctl 96)
Patch early
A public exploit exists.
Description
Integer signedness error in emalloc() function for PHP before 4.3.2 allow remote attackers to cause a denial of service (memory consumption) and possibly execute arbitrary code via negative arguments to functions such as (1) socket_recv, (2) socket_recvfrom, and possibly other functions.
Scoring
| CVSS | 7.5 (HIGH, v2.0) |
|---|---|
| Vector | AV:N/AC:L/Au:N/C:P/I:P/A:P |
| EPSS | 14.12% — more likely to be exploited than 96% of all CVEs |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2003-04-02 |
| Last modified | 2026-06-16 |
Affected (1)
| Vendor | Product |
|---|---|
| php | php |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | PHP 4.x - 'socket_recv()' Signed Integer Memory Corruption | 2003-03-26 |
| exploit-db | PHP 4.x - 'socket_recvfrom()' Signed Integer Memory Corruption | 2003-03-26 |
| exploit-db | PHP 4.3 - 'socket_iovec_alloc()' Integer Overflow | 2003-03-25 |
References
- http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000691
- http://marc.info/?l=bugtraq&m=104869828526885&w=2
- http://marc.info/?l=bugtraq&m=104878100719467&w=2
- http://marc.info/?l=bugtraq&m=104931415307111&w=2
- http://www.securityfocus.com/bid/7197
- http://www.securityfocus.com/bid/7198
- http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000691
- http://marc.info/?l=bugtraq&m=104869828526885&w=2
- http://marc.info/?l=bugtraq&m=104878100719467&w=2
- http://marc.info/?l=bugtraq&m=104931415307111&w=2
- http://www.securityfocus.com/bid/7197
- http://www.securityfocus.com/bid/7198
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