What is the CVSS score of CVE-2017-5630?

CVE-2017-5630 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:N/I:H/A:N. EPSS exploitation probability: 5.1%.

Is there a public PoC exploit available for CVE-2017-5630?

Yes, a public proof-of-concept exploit is available for CVE-2017-5630. Prioritise patching immediately. EPSS: 5.1%.

Pear CVE-2017-5630

HIGH

Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') (CWE-74)

2017-02-01 cve@mitre.org

Information Disclosure Pear

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:N/I:H/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:N/I:H/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

None

Lifecycle Timeline

CVE Published

Feb 01, 2017 - 23:59 cve.org

HIGH 7.5

DescriptionCVE.org

AnalysisAI

PECL in the download utility class in the Installer in PEAR Base System v1.10.1 does not validate file types and filenames after a redirect, which allows remote HTTP servers to overwrite files via. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-74. PECL in the download utility class in the Installer in PEAR Base System v1.10.1 does not validate file types and filenames after a redirect, which allows remote HTTP servers to overwrite files via crafted responses, as demonstrated by a .htaccess overwrite. Affected products include: Php Pear.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.