vulnwire
9.8crit

CVE-2017-12932in critical feed

ext/standard/var_unserializer.re in PHP 7.0.x through 7.0.22 and 7.1.x through 7.1.8 is prone to a heap use after free while unserializing…

Published 9 y ago · modified 4 mo ago · JSON

CVSS
9.8
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
7.4%
percentile 94%
Public exploits
0
none known

ext/standard/var_unserializer.re in PHP 7.0.x through 7.0.22 and 7.1.x through 7.1.8 is prone to a heap use after free while unserializing untrusted data, related to improper use of the hash API for key deletion in a situation with an invalid array size. Exploitation of this issue can have an unspecified impact on the integrity of PHP.

Exploit prediction (EPSS)

7.42% probability of exploitation in the next 30 days, higher than 94% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.09.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD2.07.5AV:N/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness
Technology feeds
PHP (RSS, critical only)

References

  • securityfocus.com /bid/100427 · vdb-entry, x_refsource_BID, x_transferred
  • access.redhat.com /errata/RHSA-2018:1296 · vendor-advisory, x_refsource_REDHAT, x_transferred
  • github.com /php/php-src/commit/1a23ebc1fff59bf480ca92963b36eba5c1b904c4 · x_refsource_CONFIRM, x_transferred
  • security.netapp.com /advisory/ntap-20180112-0001/ · x_refsource_CONFIRM, x_transferred
  • bugs.php.net /bug.php?id=74103 · x_refsource_CONFIRM, x_transferred
  • debian.org /security/2018/dsa-4080 · vendor-advisory, x_refsource_DEBIAN, x_transferred
  • php.net /ChangeLog-7.php · x_refsource_CONFIRM, x_transferred
  • security.gentoo.org /glsa/201709-21 · vendor-advisory, x_refsource_GENTOO, x_transferred
  • access.redhat.com /errata/RHSA-2019:2519 · vendor-advisory, x_refsource_REDHAT, x_transferred

Sources

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