What is the CVSS score of CVE-2018-15560?

CVE-2018-15560 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:N/A:H. EPSS exploitation probability: 1.7%.

Is there a public PoC exploit available for CVE-2018-15560?

Yes, a public proof-of-concept exploit is available for CVE-2018-15560. Prioritise patching immediately. EPSS: 1.7%.

Is there a patch available for CVE-2018-15560?

Yes, a patch is available for CVE-2018-15560. Update the affected software to the latest version immediately.

Pycryptodome CVE-2018-15560

HIGH

Integer Overflow or Wraparound (CWE-190)

2018-08-20 cve@mitre.org

Integer Overflow Buffer Overflow Pycryptodome

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:N/A:H

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:N/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

CVE Published

Aug 20, 2018 - 00:29 nvd

HIGH 7.5

Blast Radius

ecosystem impact

† from your stack dependencies † transitive graph · vuln.today resolves 4-path depth

25 pypi packages depend on pycryptodome (17 direct, 8 indirect)

Ecosystem-wide dependent count for version 3.6.6.

DescriptionNVD

AnalysisAI

PyCryptodome before 3.6.6 has an integer overflow in the data_len variable in AESNI.c, related to the AESNI_encrypt and AESNI_decrypt functions, leading to the mishandling of messages shorter than 16. 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 as Integer Overflow (CWE-190), which allows attackers to cause unexpected behavior through arithmetic overflow. PyCryptodome before 3.6.6 has an integer overflow in the data_len variable in AESNI.c, related to the AESNI_encrypt and AESNI_decrypt functions, leading to the mishandling of messages shorter than 16 bytes. Affected products include: Pycryptodome. Version information: before 3.6.6.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate arithmetic operations, use safe integer libraries, check bounds before allocation.