What is the CVSS score of CVE-2019-9638?

CVE-2019-9638 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N. EPSS exploitation probability: 6.7%.

Is there a public PoC exploit available for CVE-2019-9638?

Yes, a public proof-of-concept exploit is available for CVE-2019-9638. Prioritise patching immediately. EPSS: 6.7%.

Is there a patch available for CVE-2019-9638?

Yes, a patch is available for CVE-2019-9638. Update the affected software to the latest version immediately.

PHP CVE-2019-9638

HIGH

Out-of-bounds Read (CWE-125)

2019-03-09 cve@mitre.org

PHP Buffer Overflow Information Disclosure Debian Linux Ubuntu Linux Leap Storage Automation Store Software Collections

7.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.5 HIGH

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Lifecycle Timeline

CVE Published

Mar 09, 2019 - 00:29 nvd

HIGH 7.5

DescriptionNVD

An issue was discovered in the EXIF component in PHP before 7.1.27, 7.2.x before 7.2.16, and 7.3.x before 7.3.3. There is an uninitialized read in exif_process_IFD_in_MAKERNOTE because of mishandling the maker_note->offset relationship to value_len.

AnalysisAI

An issue was discovered in the EXIF component in PHP before 7.1.27, 7.2.x before 7.2.16, and 7.3.x before 7.3.3. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.

Technical ContextAI

This vulnerability is classified as Out-of-bounds Read (CWE-125), which allows attackers to read data from memory outside the intended buffer boundaries. An issue was discovered in the EXIF component in PHP before 7.1.27, 7.2.x before 7.2.16, and 7.3.x before 7.3.3. There is an uninitialized read in exif_process_IFD_in_MAKERNOTE because of mishandling the maker_note->offset relationship to value_len. Affected products include: Php, Debian Debian Linux, Canonical Ubuntu Linux, Opensuse Leap, Netapp Storage Automation Store. Version information: before 7.1.27.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Validate array indices and buffer lengths. Use memory-safe languages. Enable AddressSanitizer during testing.