CVE-2007-3799: php Improper Input Validation
Vulnerability summary
CVE-2007-3799 is a medium (CVSS 4.3) Improper Input Validation vulnerability in php. EPSS estimates a 7.92% chance of exploitation in the next 30 days, higher than 94.7% of scored vulnerabilities. 1 public exploit is recorded.
Weaponized exploit (exploit-database, 04-06-2007)
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 8Timeline
- 16-07-2007PublishedVulnerability first disclosed.
- 07-08-2024Last modifiedVulnerability information updated.
Description
The session_start function in ext/session in PHP 4.x up to 4.4.7 and 5.x up to 5.2.3 allows remote attackers to insert arbitrary attributes into the session cookie via special characters in a cookie that is obtained from (1) PATH_INFO, (2) the session_id function, and (3) the session_start function, which are not encoded or filtered when the new session cookie is generated, a related issue to CVE-2006-0207.
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
Probability
7.92%
Chance of exploitation in the next 30 days
Percentile
95%
Versus all other CVEs
30-day change
No change 0.00 pp
From 7.92% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
1 foundPHP 5.2.3 - EXT/Session HTTP Response Header Injection
Maturity: weaponized
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication (CVSS vector). Other conditions: not stated in public data.
Php1 product
- phpEOL4.0:beta_4_patch1 | 4.0:beta1 | 4.0:beta2 | 4.0:beta3 | 4.0:beta4 | 4.0.0 | 4.0.1 | 4.0.2 | 4.0.3 | 4.0.4 | 4.0.5 | 4.0.6 | 4.0.7 | 4.1.0 | 4.1.1 | 4.1.2 | 4.2.0 | 4.2.1 | 4.2.2 | 4.2.3 | 4.3.0 | 4.3.1 | 4.3.2 | 4.3.3 | 4.3.4 | 4.3.5 | 4.3.6 | 4.3.7 | 4.3.8 | 4.3.9 | 4.3.10 | 4.3.11 | 4.4.0 | 4.4.1 | 4.4.2 | 4.4.3 | 4.4.4 | 4.4.5 | 4.4.6 | 4.4.7 | 5.0.0 | 5.0.0:beta1 | 5.0.0:beta2 | 5.0.0:beta3 | 5.0.0:beta4 | 5.0.0:rc1 | 5.0.0:rc2 | 5.0.0:rc3 | 5.0.1 | 5.0.2 | 5.0.3 | 5.0.4 | 5.0.5 | 5.1.0 | 5.1.1 | 5.1.2 | 5.1.3 | 5.1.4 | 5.1.5 | 5.1.6 | 5.2.0 | 5.2.1 | 5.2.2 | 5.2.3 | 5.2.10 | 5.2.11 | 5.2.12 | 5.2.13 | 5.2.14
1 vendor · 1 product
References
32 links- launchpad.net/bugs/173043X Refsource CONFIRM
- www.redhat.com/archives/fedora-package-announce/2007-September/msg00354.htmlVendor AdvisoryX Refsource FEDORA
Show all 32 references
- issues.rpath.com/browse/RPL-1693X Refsource CONFIRM
- support.avaya.com/elmodocs2/security/ASA-2007-449.htmX Refsource CONFIRM
- www.php-security.org/MOPB/PMOPB-46-2007.htmlX Refsource MISC
- docs.info.apple.com/article.html?artnum=307562X Refsource CONFIRM
- oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9792VDB EntrySignatureX Refsource OVAL