Vulnerabilities > CVE-2023-1380 - Out-of-bounds Read vulnerability in multiple products
Attack vector
LOCAL Attack complexity
LOW Privileges required
LOW Confidentiality impact
HIGH Integrity impact
NONE Availability impact
HIGH Summary
A slab-out-of-bound read problem was found in brcmf_get_assoc_ies in drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c in the Linux Kernel. This issue could occur when assoc_info->req_len data is bigger than the size of the buffer, defined as WL_EXTRA_BUF_MAX, leading to a denial of service.
Vulnerable Configurations
Common Weakness Enumeration (CWE)
Common Attack Pattern Enumeration and Classification (CAPEC)
- Overread Buffers An adversary attacks a target by providing input that causes an application to read beyond the boundary of a defined buffer. This typically occurs when a value influencing where to start or stop reading is set to reflect positions outside of the valid memory location of the buffer. This type of attack may result in exposure of sensitive information, a system crash, or arbitrary code execution.
References
- https://www.openwall.com/lists/oss-security/2023/03/14/1
- https://bugzilla.redhat.com/show_bug.cgi?id=2177883
- https://security.netapp.com/advisory/ntap-20230511-0001/
- http://packetstormsecurity.com/files/173087/Kernel-Live-Patch-Security-Notice-LSN-0095-1.html
- http://packetstormsecurity.com/files/173757/Kernel-Live-Patch-Security-Notice-LSN-0096-1.html
- https://lists.debian.org/debian-lts-announce/2023/07/msg00030.html
- https://www.debian.org/security/2023/dsa-5480
- https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html
- https://lore.kernel.org/linux-wireless/20230309104457.22628-1-jisoo.jang%40yonsei.ac.kr/T/#u