Home/CVE/The grapheme_strpos function in ext/intl/grapheme/grapheme_string.c in PHP before 5.5.35, 5.6.x before 5.6.21, and 7.x b
CVE

CVE-2016-4541

The grapheme_strpos function in ext/intl/grapheme/grapheme_string.c in PHP before 5.5.35, 5.6.x before 5.6.21, and 7.x b

The grapheme_strpos function in ext/intl/grapheme/grapheme_string.c in PHP before 5.5.35, 5.6.x before 5.6.21, and 7.x before 7.0.6 allows remote attackers to cause a denial of service (out-of-bounds read) or possibly have unspecified other impact via a negative offset.

CRITICAL · CVSS 9.8 EPSS 0.01936
Act now
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
▤

Affected Products & Versions

4
fedoraproject fedoraall versions
php<= 5.5.34
phpall versions
opensuse leapall versions
⚠

Public Exploits & PoCs

1
pocbugs.php.net · bug.php?id=72061bugs.php.net
▣

Scoring & Timeline

9.8
CRITICAL · CVSS v3.0 · security@debian.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD22 May 2016 · 01:59 AM
CVSS VectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
⚑

Vendor Advisories

5
rhsaRHSA-2016:2750Moderate
suse-csafSUSE-SU-2016:1638-1
suse-csafSUSE-SU-2016:1581-1
suse-csafSUSE-SU-2016:1504-1
usnUSN-2984-1
🔗

References & Sources

14
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://lists.fedoraproject.org/pipermail/package-announce/2016-May/183736.html
http://lists.opensuse.org/opensuse-updates/2016-05/msg00086.html
http://lists.opensuse.org/opensuse-updates/2016-06/msg00027.html
http://php.net/ChangeLog-5.phpPatch
http://php.net/ChangeLog-7.phpPatch
http://rhn.redhat.com/errata/RHSA-2016-2750.html
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