All vulnerabilities

Servers and applications

CVE-2003-1307

The mod_php module for the Apache HTTP Server allows local users with write access to PHP scripts to send signals to the server's process group and use the server's file descriptors, as demonstrated by sending a STOP signal, then intercepting incoming connections on the server's TCP port. NOTE: the PHP developer has disputed this vulnerability, saying "The opened file descriptors are opened by…

Severity
Medium 4.3
Published
31 Dec 2003
Last changed
16 Jun 2026
Added to UpHeron
17 Oct 2026
Exploit chance
1.7% in the next 30 daysHigher than 77% of CVEs. EPSS by FIRST, 12 Nov 2026
Attack
Needs local access · Needs a login
Attacker can
Read some data · Change some data · Slow it down
CVSS vector
AV:L/AC:L/Au:S/C:P/I:P/A:P
Sources
NVD

Description

The mod_php module for the Apache HTTP Server allows local users with write access to PHP scripts to send signals to the server's process group and use the server's file descriptors, as demonstrated by sending a STOP signal, then intercepting incoming connections on the server's TCP port. NOTE: the PHP developer has disputed this vulnerability, saying "The opened file descriptors are opened by Apache. It is the job of Apache to protect them ... Not a bug in PHP.

From NVD.

Affected software

SoftwareAffected versions
Apache HTTP ServerServers and applications · cpe:a:apache:http_server
  • Version 2.0.48
  • Version 2.0.47
  • Version 2.0.46
  • Version 2.0.45
All 21 release lines
  • Version 2.0
  • Version 2.0.9
  • Version 2.0.28-beta
  • Version 2.0.28
  • Version 2.0.32-beta
  • Version 2.0.32
  • Version 2.0.34-beta
  • Version 2.0.35
  • Version 2.0.36
  • Version 2.0.37
  • Version 2.0.38
  • Version 2.0.39
  • Version 2.0.40
  • Version 2.0.41
  • Version 2.0.42
  • Version 2.0.43
  • Version 2.0.44
  • Version 2.0.45
  • Version 2.0.46
  • Version 2.0.47
  • Version 2.0.48

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2003-1307
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2003-1307