Vulnerability · Published Aug 22, 2023 · Assigned by mitre
CVE-2022-48570
High 7.5
In plain English
A high-severity security flaw in the libcrypto++ package (Debian). Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 1.0% (higher than 64% of all known vulnerabilities).
Severity (CVSS NVD)7.5High
Exploit odds (30 days)1.0%top 36.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
Crypto++ through 8.4 contains a timing side channel in ECDSA signature generation. Function FixedSizeAllocatorWithCleanup could write to memory outside of the allocation if the allocated memory was not 16-byte aligned. NOTE: this issue exists because the CVE-2019-14318 fix was intentionally removed for functionality reasons.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | libcrypto++ | no fix listed | DEBIAN-CVE-2022-48570 |
| Debian:13 | libcrypto++ | no fix listed | DEBIAN-CVE-2022-48570 |
| Debian:14 | libcrypto++ | no fix listed | DEBIAN-CVE-2022-48570 |
| Ubuntu:22.04:LTS | libcrypto++ | no fix listed | UBUNTU-CVE-2022-48570 |
| Ubuntu:24.04:LTS | libcrypto++ | no fix listed | UBUNTU-CVE-2022-48570 |
| Ubuntu:25.10 | libcrypto++ | no fix listed | UBUNTU-CVE-2022-48570 |
| Ubuntu:26.04:LTS | libcrypto++ | no fix listed | UBUNTU-CVE-2022-48570 |
| Ubuntu:26.10 | libcrypto++ | no fix listed | UBUNTU-CVE-2022-48570 |