vulnwire
8.6high

CVE-2016-5095

Integer overflow in the php_escape_html_entities_ex function in ext/standard/html.c in PHP before 5.5.36 and 5.6.x before 5.6.22 allows rem…

Published 10 y ago · modified 4 mo ago · JSON

CVSS
8.6
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
2.6%
percentile 86%
Public exploits
0
none known

Integer overflow in the php_escape_html_entities_ex function in ext/standard/html.c in PHP before 5.5.36 and 5.6.x before 5.6.22 allows remote attackers to cause a denial of service or possibly have unspecified other impact by triggering a large output string from a FILTER_SANITIZE_FULL_SPECIAL_CHARS filter_var call. NOTE: this vulnerability exists because of an incomplete fix for CVE-2016-5094.

Exploit prediction (EPSS)

2.64% probability of exploitation in the next 30 days, higher than 86% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.08.6CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
NVD2.07.5AV:N/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness
  • CWE-190 Integer Overflow or Wraparound
Technology feeds
PHP (RSS, critical only)

References

  • openwall.com /lists/oss-security/2016/05/26/3 · mailing-list, x_refsource_MLIST, x_transferred
  • debian.org /security/2016/dsa-3602 · vendor-advisory, x_refsource_DEBIAN, x_transferred
  • php.net /ChangeLog-5.php · x_refsource_CONFIRM, x_transferred
  • bugs.php.net /bug.php?id=72135 · x_refsource_CONFIRM, x_transferred
  • securityfocus.com /bid/92144 · vdb-entry, x_refsource_BID, x_transferred
  • gist.github.com /8ef775c117d84ff15185953990a28576 · x_refsource_CONFIRM, x_transferred

Sources

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