7.1 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H
6.7 Medium
AI Score
Confidence
High
5.8 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:N/A:P
0.002 Low
EPSS
Percentile
56.6%
When PHP EXIF extension is parsing EXIF information from an image, e.g. via exif_read_data() function, in PHP versions 7.1.x below 7.1.31, 7.2.x below 7.2.21 and 7.3.x below 7.3.8 it is possible to supply it with data what will cause it to read past the allocated buffer. This may lead to information disclosure or crash.
lists.opensuse.org/opensuse-security-announce/2019-10/msg00019.html
seclists.org/fulldisclosure/2019/Oct/15
seclists.org/fulldisclosure/2019/Oct/55
access.redhat.com/errata/RHSA-2019:3299
bugs.php.net/bug.php?id=78256
lists.debian.org/debian-lts-announce/2019/08/msg00010.html
seclists.org/bugtraq/2019/Oct/9
seclists.org/bugtraq/2019/Sep/35
seclists.org/bugtraq/2019/Sep/38
security.netapp.com/advisory/ntap-20190822-0003/
support.apple.com/kb/HT210634
support.apple.com/kb/HT210722
usn.ubuntu.com/4097-1/
usn.ubuntu.com/4097-2/
www.debian.org/security/2019/dsa-4527
www.debian.org/security/2019/dsa-4529
www.tenable.com/security/tns-2021-14
7.1 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H
6.7 Medium
AI Score
Confidence
High
5.8 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:N/A:P
0.002 Low
EPSS
Percentile
56.6%