Vulnerability · Published May 18, 2023 · Assigned by facebook
CVE-2023-28753
Critical 9.8
In plain English
A critical-severity out-of-bounds write in netconsd from Facebook. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.9% (higher than 79% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code.
Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)1.9%top 20.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack tooling1Public PoC
Official description
netconsd prior to v0.2 was vulnerable to an integer overflow in its parse_packet function. A malicious individual could leverage this overflow to create heap memory corruption with attacker controlled data.
Affected products (as reported)
Weakness: CWE-787 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
References
- https://www.facebook.com/security/advisories/cve-2023-28753 x_refsource_CONFIRM
- https://github.com/facebook/netconsd/commit/9fc54edf54f7caea1189c2b979337ed37af2c60e x_refsource_MISC