CVE-2020-29363 is a heap-based buffer overflow vulnerability affecting p11-kit versions 0.23.6 through 0.23.21, specifically within its RPC protocol. This flaw allows a remote entity to cause a denial of service by supplying a malformed serialized byte array in a CK_ATTRIBUTE, leading to insufficient buffer allocation. Rated HIGH with a CVSS score of 7.5, the vulnerability is network-exploitable with low attack complexity and no user interaction required, resulting in a high impact on availability. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 0.23.6, < 0.23.22CPE matchmatch criteria | cpe:2.3:a:p11-kit_project:p11-kit:*:*:*:*:*:*:*:* | ||
10.0CPE matchmatch criteria | cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* | ||
1.14.0CPE matchmatch criteria | cpe:2.3:a:oracle:communications_cloud_native_core_policy:1.14.0:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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p11-kit: out-of-bounds write in p11_rpc_buffer_get_byte_array_value function in rpc-message.c
Dec 12, 2020An issue was discovered in p11-kit 0.23.6 through 0.23.21. A heap-based buffer overflow has been discovered in the RPC protocol used by p11-kit server/remote commands and the client library. When the remote entity supplies a serialized byte array in a CK_ATTRIBUTE the receiving entity may not allocate sufficient length for the buffer to store the deserialized value.
Dec 8, 2020