CVE-2023-6992
Description
Cloudflare version of zlib library was found to be vulnerable to memory corruption issues affecting the deflation algorithm implementation (deflate.c). The issues resulted from improper input validation and heap-based buffer overflow. A local attacker could exploit the problem during compression using a crafted malicious file potentially leading to denial of service of the software. Patches: The issue has been patched in commit 8352d10 https://github.com/cloudflare/zlib/commit/8352d108c05db1bdc5ac3bdf834dad641694c13c . The upstream repository is not affected.
- CVSS Version 3.1
nvd
CVE ID: CVE-2023-6992
Base Score: 5.5
Base Severity: MEDIUM
Vector String:CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Impact Score: 3.6
Exploitability Score: 1.8
cloudflare
CVE ID: CVE-2023-6992
Base Score: 4.0
Base Severity: MEDIUM
Vector String:CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L
Impact Score: 2.5
Exploitability Score: 1.4