CVE-2018-12882 : exif_read_from_impl in ext/exif/exif.c in PHP 7.2.x through 7.2.7 allows attackers to trigger a use-after-free (in exif

exif_read_from_impl in ext/exif/exif.c in PHP 7.2.x through 7.2.7 allows attackers to trigger a use-after-free (in exif_read_from_file) because it closes a stream that it is not responsible for closing. The vulnerable code is reachable through the PHP exif_read_data function.

Published 2018-06-26 03:29:00

Updated 2019-03-12 11:46:21

Source MITRE

View at NVD, CVE.org

Vulnerability category: Memory Corruption

Threat overview for CVE-2018-12882

Top countries where our scanners detected CVE-2018-12882

Top open port discovered on systems with this issue 80

IPs affected by CVE-2018-12882 10,753

Threat actors abusing to this issue? Yes

Find out if you^* are affected by CVE-2018-12882!

^*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2018-12882

Probability of exploitation activity in the next 30 days: 0.54%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 75 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2018-12882

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
7.5	HIGH	AV:N/AC:L/Au:N/C:P/I:P/A:P	10.0	6.4	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: Partial Integrity Impact: Partial Availability Impact: Partial
9.8	CRITICAL	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	3.9	5.9	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High

CWE ids for CVE-2018-12882

CWE-416 Use After Free

Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2018-12882

https://usn.ubuntu.com/3702-2/

USN-3702-2: PHP vulnerability | Ubuntu security notices
Third Party Advisory
https://bugs.php.net/bug.php?id=76409

PHP :: Sec Bug #76409 :: heap use after free in _php_stream_free
Issue Tracking;Patch;Vendor Advisory
http://www.securityfocus.com/bid/104551

PHP 'ext/exif/exif.c' Denial of Service Vulnerability
Third Party Advisory;VDB Entry
https://security.netapp.com/advisory/ntap-20181109-0001/

CVE-2018-12882 PHP Vulnerability in NetApp Products | NetApp Product Security
Third Party Advisory
https://usn.ubuntu.com/3702-1/

USN-3702-1: PHP vulnerability | Ubuntu security notices
Third Party Advisory

Products affected by CVE-2018-12882