GHSA-f7qj-v3vp-4856: libafl has unsound usages of `core :slice::from_raw_parts_mut` Vulnerability

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Advisory Summary

GHSA-f7qj-v3vp-4856 is a MODERATE :slice::from_raw_parts_mut` vulnerability (General Security Weakness) affecting libafl has unsound usages of `core libraries in the crates.io ecosystem. The issue involves :slice::from_raw_parts_mut`. Remediation is available by upgrading affected packages to version 0.11.2.

GHSA-f7qj-v3vp-4856 at a Glance

CVE Identifier N/A
GHSA Identifier GHSA-f7qj-v3vp-4856
Severity MODERATE
CVSS v3.1 Base Score N/A
CWE Classification General Security Weakness
Affected Product libafl has unsound usages of `core
Package Ecosystem crates.io
Published Date
Last Updated

How to Fix GHSA-f7qj-v3vp-4856

To remediate this vulnerability, upgrade all affected libafl has unsound usages of `core dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.

libafl fixed: 0.11.2 
Upgrade libafl to 0.11.2
Verify Direct and Transitive Dependencies

Run the following command in your project directory to verify that all resolved dependencies use the patched release: 

inspect dependencies for libafl

How to Check if You Are Affected

To determine whether your application is affected by GHSA-f7qj-v3vp-4856, inspect your project dependencies for libafl has unsound usages of `core:

inspect dependencies for libafl

Analyze the terminal output to locate any version of libafl has unsound usages of `core in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 0.11.2), your application is affected.

Note: Verify declared build manifests and deployed runtime container environments.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under General Security Weakness. In libafl has unsound usages of `core, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.

Source Advisory Statement

The library breaks the safety assumptions when using unsafe API `slice::from_raw_parts_mut`. The pointer passed to `from_raw_parts_mut` is misaligned by casting `u8` to `u16` raw pointer directly, which is unsound. The bug is patched by using `align_offset`, which could make sure the memory address is aligned to 2 bytes for `u16`. This was patched in 0.11.2 in the [commit](https://github.com/AFLplusplus/LibAFL/pull/1530/commits/5a60cb31ef587d71d09d534bba39bd3973c4b35d).

GHSA-f7qj-v3vp-4856 Affected libafl has unsound usages of `core Versions

1 component(s)
Fixed Versions:
0.11.2
Product / Package Ecosystem Affected Versions Fixed Version
libafl
 crates.io
< 0.11.2
0.11.2

References

libafl has unsound usages of `core Source Repository REPOSITORY
https://github.com/AFLplusplus/LibAFL/issues/1526
libafl has unsound usages of `core Source Repository REPOSITORY
https://github.com/AFLplusplus/LibAFL/pull/1530
libafl has unsound usages of `core Source Repository REPOSITORY
https://github.com/AFLplusplus/LibAFL/pull/1530/commits/5a60cb31ef587d71d09d534bba39bd3973c4b35d
Security Fix Commit FIX COMMIT
https://github.com/AFLplusplus/LibAFL/commit/f70a16a09a8096d3c50159dd8a912a75c2af157c
libafl has unsound usages of `core Source Repository REPOSITORY
https://github.com/AFLplusplus/LibAFL
rustsec.org/advisories/rustsec-... WEB
https://rustsec.org/advisories/RUSTSEC-2024-0424.html

Frequently Asked Questions

What is GHSA-f7qj-v3vp-4856?
GHSA-f7qj-v3vp-4856 is a security vulnerability in libafl has unsound usages of `core involving :slice::from_raw_parts_mut` under General Security Weakness.
Which libafl has unsound usages of `core versions are affected?
Affected versions include releases prior to 0.11.2 across affected packages: libafl.
What version fixes GHSA-f7qj-v3vp-4856?
Upgrading to 0.11.2 (or the latest patched release for your respective branch) resolves the vulnerability.
Is libafl affected?
Yes, libafl is affected in releases prior to 0.11.2. Upgrade your dependency to 0.11.2 or later.
What CWE is associated with GHSA-f7qj-v3vp-4856?
GHSA-f7qj-v3vp-4856 is classified under General Security Weakness.
How can I check crates.io dependencies for GHSA-f7qj-v3vp-4856?
Run the dependency tree command: 'inspect dependencies for libafl'. This command lists direct and transitive dependencies in your build configuration so you can verify if a vulnerable version is resolved.
Machine-readable OSV JSON OSV v1.5 Schema
Normalized schema output
View Raw JSON 
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-f7qj-v3vp-4856",
  "modified" : "2024-12-23T19:30:20Z",
  "published" : "2024-12-23T19:28:19Z",
  "aliases" : [ ],
  "summary" : "libafl has unsound usages of `core::slice::from_raw_parts_mut` ",
  "details" : "The library breaks the safety assumptions when using unsafe API `slice::from_raw_parts_mut`. The pointer passed to `from_raw_parts_mut` is misaligned by casting `u8` to `u16` raw pointer directly, which is unsound. The bug is patched by using `align_offset`, which could make sure the memory address is aligned to 2 bytes for `u16`.  \n\nThis was patched in 0.11.2 in the [commit](https://github.com/AFLplusplus/LibAFL/pull/1530/commits/5a60cb31ef587d71d09d534bba39bd3973c4b35d).\n",
  "severity" : [ {
    "type" : "CVSS_V4",
    "score" : "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "crates.io",
      "name" : "libafl"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "0.11.2"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "WEB",
    "url" : "https://github.com/AFLplusplus/LibAFL/issues/1526"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/AFLplusplus/LibAFL/pull/1530"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/AFLplusplus/LibAFL/pull/1530/commits/5a60cb31ef587d71d09d534bba39bd3973c4b35d"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/AFLplusplus/LibAFL/commit/f70a16a09a8096d3c50159dd8a912a75c2af157c"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/AFLplusplus/LibAFL"
  }, {
    "type" : "WEB",
    "url" : "https://rustsec.org/advisories/RUSTSEC-2024-0424.html"
  } ],
  "database_specific" : {
    "cwe_ids" : [ ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2024-12-23T19:28:19Z",
    "nvd_published_at" : null
  }
}