Home/CVE/In PHP before 5.6.32, 7.x before 7.0.25, and 7.1.x before 7.1.11, an error in the date extension's timelib_meridian hand
CVE

CVE-2017-16642

In PHP before 5.6.32, 7.x before 7.0.25, and 7.1.x before 7.1.11, an error in the date extension's timelib_meridian hand

In PHP before 5.6.32, 7.x before 7.0.25, and 7.1.x before 7.1.11, an error in the date extension's timelib_meridian handling of 'front of' and 'back of' directives could be used by attackers able to supply date strings to leak information from the interpreter, related to ext/date/lib/parse_date.c out-of-bounds reads affecting the php_parse_date function. NOTE: this is a different issue than CVE-2017-11145.

HIGH · CVSS 7.5 EPSS 0.08257
Act now
  • EPSS percentile: top 8% of all CVEs by exploitation likelihood
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0

Weakness Classification

Affected Products & Versions

7
php< 5.6.32
php>= 7.0.0 and < 7.0.25
php>= 7.1.0 and < 7.1.11
debian linuxall versions

Public Exploits & PoCs

2

Scoring & Timeline

7.5
HIGH · CVSS v3.0 · cve@mitre.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 NVD07 Nov 2017 · 09:29 PM
CVSS VectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Vendor Advisories

6
suse-csafSUSE-SU-2018:0003-1
suse-csafSUSE-SU-2017:3277-1
suse-csafSUSE-SU-2017:3237-1
🔗

References & Sources

10
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://php.net/ChangeLog-5.phpIssue TrackingRelease NotesVendor Advisory
http://php.net/ChangeLog-7.phpIssue TrackingRelease NotesVendor Advisory
http://www.securityfocus.com/bid/101745Third Party AdvisoryVDB Entry
https://bugs.php.net/bug.php?id=75055Issue TrackingVendor Advisory
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