What is CVE-2024-45056?

CVE-2024-45056 is a medium-severity vulnerability in Matter-labs Era-compiler-solidity, classified under Incorrect Calculation. CVSS score: 5.9/10. Published 2024-08-29.

How severe is CVE-2024-45056?

Medium severity. CVSS v3 base score is 5.9 out of 10.

Is CVE-2024-45056 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Matter-labs Era-compiler-solidity

CVE-2024-45056

zksolc is a Solidity compiler for ZKsync. All LLVM versions since 2015 fold `(xor (shl 1, x), -1)` to `(rotl ~1, x)` if run with optimizations enabled. Here `~1` is generated as an unsigned 64 bits number (`2^64-1`). This number is zero-ex…

EPSS: 0.003 (54.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N.

Affected products

Matter-labs Era-compiler-solidity — versions < 1.5.3

Weakness classification (CWE)

CWE-682 — Incorrect Calculation

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

https://github.com/matter-labs/era-compiler-solidity/security/advisories/GHSA-fpx7-8vc6-frjj (x_refsource_CONFIRM)
https://github.com/llvm/llvm-project/commit/e48237df95b49a36b8ffceb78c8a58f4be1b4344 (x_refsource_MISC)

Frequently asked questions

What is CVE-2024-45056?: CVE-2024-45056 is a medium-severity vulnerability in Matter-labs Era-compiler-solidity, classified under Incorrect Calculation. CVSS score: 5.9/10. Published 2024-08-29.
How severe is CVE-2024-45056?: Medium severity. CVSS v3 base score is 5.9 out of 10.
Is CVE-2024-45056 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.