5.8

CVE-2012-1172: php Improper Input Validation

Modified
Published 24-05-2012Last modified 06-08-2024

Vulnerability summary

CVE-2012-1172 is a medium (CVSS 5.8) Improper Input Validation vulnerability in php. EPSS estimates a 6.19% chance of exploitation in the next 30 days, higher than 93.5% of scored vulnerabilities. 5 public exploits are recorded.

Priority
Routine

Not severe (CVSS 5.8, network access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
5.8/10
010
Medium · v2.0 (NVD)
EPSS score
6.19%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits5reference

Advisory lineage

Upstream 0 · Downstream 4
DSA-2465-1RHSA-2012:1045RHSA-2012:1046RHSA-2012:1047

Timeline

  1. 24-05-2012
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

The file-upload implementation in rfc1867.c in PHP before 5.4.0 does not properly handle invalid [ (open square bracket) characters in name values, which makes it easier for remote attackers to cause a denial of service (malformed $_FILES indexes) or conduct directory traversal attacks during multi-file uploads by leveraging a script that lacks its own filename restrictions.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

6.19%

Chance of exploitation in the next 30 days

Percentile

94%

Versus all other CVEs

30-day change

No change 0.00 pp

From 6.19% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

5 found
  • referenceUnverified

    Exploit Reference (bugs.php.net)

    Maturity: unknown

  • referenceUnverified

    Exploit Reference (nealpoole.com)

    Maturity: unknown

  • referenceUnverified

    Exploit Reference (bugs.php.net)

    Maturity: unknown

Show all 5 exploits
  • referenceUnverified

    Exploit Reference (isisblogs.poly.edu)

    Maturity: unknown

  • referenceUnverified

    Exploit Reference (students.mimuw.edu.pl)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, no authentication (CVSS vector). Other conditions: not stated in public data.

Php1 product
  • phpEOL≤ 5.3.10 | 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 | 5.2.4 | 5.2.5 | 5.2.6 | 5.2.7 | 5.2.8 | 5.2.9 | 5.2.10 | 5.2.11 | 5.2.12 | 5.2.13 | 5.2.14 | 5.2.15 | 5.2.16 | 5.2.17 | 5.3.0 | 5.3.1 | 5.3.2 | 5.3.3 | 5.3.4 | 5.3.5 | 5.3.6 | 5.3.7 | 5.3.8 | 5.3.9

1 vendor · 1 product

References

20 links
Show all 20 references