PT-2017-10870 · Creolabs · Creolabs Gravity

R0T0Tiller · Published 2017-11-17 · Updated 2019-10-03 · CVE-2017-1000173

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions Creolabs Gravity version 1.0

Description The issue allows for potential code execution by creating a large loop that pushes data to a buffer, breaking the bounds checking of the buffer. When list.join is called on the data, it reads past the buffer, resulting in a Heap-Buffer-Overflow. This can be achieved by exploiting the list.join function.

Recommendations For Creolabs Gravity version 1.0, consider restricting the size of data pushed to the buffer to prevent the Heap-Buffer-Overflow. As a temporary workaround, consider disabling the list.join function until a patch is available.

Exploit

Fix

Out of bounds Read

Weakness Enumeration

CWE-125

Related Identifiers

CVE-2017-1000173

Affected Products

Creolabs Gravity

References · 3

• 🔥 https://github.com/marcobambini/gravity/issues/172 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2017-1000173 · Security Note
• https://osv.dev/vulnerability/CVE-2017-1000173 · Vendor Advisory