THREATPORT/VULNERABILITY/CVE-2007-1777
HIGH SEVERITY

CVE-2007-1777

Php vulnerability

CVSS
7.5
EPSS
15.3%
EPSS pct
96th
Exploited
No known
Integer overflow in the zip_read_entry function in PHP 4 before 4.4.5 allows remote attackers to execute arbitrary code via a ZIP archive that contains an entry with a length value of 0xffffffff, which is incremented before use in an emalloc call, triggering a heap overflow.
Affected vendor
Php
Affected product
Php
CVSS vector
AV:N/AC:L/Au:N/C:P/I:P/A:P
Published
2007-03-30

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no authentication. Successful exploitation leads to partial impact to confidentiality, partial impact to integrity, partial impact to availability.

Its EPSS score of 15.3% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 96% of all scored CVEs.

Check your external exposure to CVE-2007-1777

  • Confirm whether Php Php is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2007-1777.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2007-1777

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2007-1777 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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