Vulnerability-Lookup

SUSE-SU-2023:4060-1

Vulnerability from csaf_suse - Published: 2023-10-12 08:05 - Updated: 2023-10-12 08:05

Summary

Security update for rage-encryption

Severity

Moderate

Notes

Title of the patch: Security update for rage-encryption

Description of the patch: This update for rage-encryption fixes the following issues: -CVE-2023-42811: chosen ciphertext attack possible against aes-gcm (bsc#1215657) * update vendor.tar.zst to contain aes-gcm >= 0.10.3 - Update to version 0.9.2+0: * CI: Ensure `apt` repository is up-to-date before installing build deps * CI: Build Linux releases using `ubuntu-20.04` runner * CI: Remove most uses of `actions-rs` actions - Update to version 0.9.2+0: * Fix changelog bugs and add missing entry * Document `PINENTRY_PROGRAM` environment variable * age: Add `Decryptor::new_async_buffered` * age: `impl AsyncBufRead for ArmoredReader` * Pre-initialize vectors when the capacity is known, or use arrays * Use `PINENTRY_PROGRAM` as environment variable for `pinentry` * Document why `impl AsyncWrite for StreamWriter` doesn't loop indefinitely * cargo update * cargo vet prune * Migrate to `cargo-vet 0.7` * build(deps): bump svenstaro/upload-release-action from 2.5.0 to 2.6.1 * Correct spelling in documentation * build(deps): bump codecov/codecov-action from 3.1.1 to 3.1.4 * StreamWriter AsyncWrite: fix usage with futures::io::copy() * rage: Use `Decryptor::new_buffered` * age: Add `Decryptor::new_buffered` * age: `impl BufRead for ArmoredReader` * Update Homebrew formula to v0.9.1 * feat/pinentry: Use env var to define pinentry binary - Update to version 0.9.1+0: * ssh: Fix parsing of OpenSSH private key format * ssh: Support `aes256-gcm@openssh.com` ciphers for encrypted keys * ssh: Add `aes256-gcm@openssh.com` cipher to test cases * ssh: Extract common key material derivation logic for encrypted keys * ssh: Use associated constants for key and IV sizes * ssh: Add test cases for encrypted keys - Add shell completions for fish and zsh.

Patchnames: SUSE-2023-4060,SUSE-SLE-Module-Basesystem-15-SP5-2023-4060,openSUSE-SLE-15.5-2023-4060

CVE-2023-42811

5.5 (Medium)


                
                  CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Affected products

Recommended 6 products

Product	Version	Remediation
Unresolved product id: SUSE Linux Enterprise Module for Basesystem 15 SP5:rage-encryption-0.9.2+0-150500.3.3.1.aarch64	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Module for Basesystem 15 SP5:rage-encryption-0.9.2+0-150500.3.3.1.x86_64	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Module for Basesystem 15 SP5:rage-encryption-bash-completion-0.9.2+0-150500.3.3.1.noarch	—	Vendor Fix
Unresolved product id: openSUSE Leap 15.5:rage-encryption-0.9.2+0-150500.3.3.1.aarch64	—	Vendor Fix
Unresolved product id: openSUSE Leap 15.5:rage-encryption-0.9.2+0-150500.3.3.1.x86_64	—	Vendor Fix
Unresolved product id: openSUSE Leap 15.5:rage-encryption-bash-completion-0.9.2+0-150500.3.3.1.noarch	—	Vendor Fix

Threats

Impact moderate

References

8 references

URL	Category
https://www.suse.com/support/security/rating/	external
https://ftp.suse.com/pub/projects/security/csaf/s…	self
https://www.suse.com/support/update/announcement/…	self
https://lists.suse.com/pipermail/sle-security-upd…	self
https://bugzilla.suse.com/1215657	self
https://www.suse.com/security/cve/CVE-2023-42811/	self
https://www.suse.com/security/cve/CVE-2023-42811	external
https://bugzilla.suse.com/1215654	external

JSON

To clipboard

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}

CVE-2023-42811 (GCVE-0-2023-42811)

Vulnerability from cvelistv5 – Published: 2023-09-22 15:19 – Updated: 2025-06-18 14:22

Title

AEADs/aes-gcm: Plaintext exposed in decrypt_in_place_detached even on tag verification failure

Summary

aes-gcm is a pure Rust implementation of the AES-GCM. Starting in version 0.10.0 and prior to version 0.10.3, in the AES GCM implementation of decrypt_in_place_detached, the decrypted ciphertext (i.e. the correct plaintext) is exposed even if tag verification fails. If a program using the `aes-gcm` crate's `decrypt_in_place*` APIs accesses the buffer after decryption failure, it will contain a decryption of an unauthenticated input. Depending on the specific nature of the program this may enable Chosen Ciphertext Attacks (CCAs) which can cause a catastrophic breakage of the cipher including full plaintext recovery. Version 0.10.3 contains a fix for this issue.

Severity

4.7 (Medium)


                        
                          CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:H/A:N

SSVC

Exploitation: poc Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-02-19 18:49 UTC

CWE

CWE-347 - Improper Verification of Cryptographic Signature

Assigner

GitHub_M mitre root

References

5 references

URL	Tags
https://github.com/RustCrypto/AEADs/security/advi…	x_refsource_CONFIRM
https://docs.rs/aes-gcm/latest/src/aes_gcm/lib.rs…	x_refsource_MISC
https://lists.fedoraproject.org/archives/list/pac…
https://lists.fedoraproject.org/archives/list/pac…
https://lists.fedoraproject.org/archives/list/pac…

Impacted products

1 product

Vendor	Product	Version
RustCrypto	AEADs	Affected: >= 0.10.0, < 0.10.3

Show details on NVD website

JSON

To clipboard

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          "dateUpdated": "2024-08-02T19:30:24.555Z",
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          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2023-42811",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-02-19T18:49:22.620440Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-06-18T14:22:56.534Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "AEADs",
          "vendor": "RustCrypto",
          "versions": [
            {
              "status": "affected",
              "version": "\u003e= 0.10.0, \u003c 0.10.3"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "aes-gcm is a pure Rust implementation of the AES-GCM. Starting in version 0.10.0 and prior to version 0.10.3, in the AES GCM implementation of decrypt_in_place_detached, the decrypted ciphertext (i.e. the correct plaintext) is exposed even if tag verification fails. If a program using the `aes-gcm` crate\u0027s `decrypt_in_place*` APIs accesses the buffer after decryption failure, it will contain a decryption of an unauthenticated input. Depending on the specific nature of the program this may enable Chosen Ciphertext Attacks (CCAs) which can cause a catastrophic breakage of the cipher including full plaintext recovery. Version 0.10.3 contains a fix for this issue."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "LOCAL",
            "availabilityImpact": "NONE",
            "baseScore": 4.7,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "HIGH",
            "privilegesRequired": "HIGH",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:H/A:N",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-347",
              "description": "CWE-347: Improper Verification of Cryptographic Signature",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-10-03T01:06:15.294Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/RustCrypto/AEADs/security/advisories/GHSA-423w-p2w9-r7vq",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/RustCrypto/AEADs/security/advisories/GHSA-423w-p2w9-r7vq"
        },
        {
          "name": "https://docs.rs/aes-gcm/latest/src/aes_gcm/lib.rs.html#309",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://docs.rs/aes-gcm/latest/src/aes_gcm/lib.rs.html#309"
        },
        {
          "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RYQCICN6BVC6I75O3F6W4VK4J3MOYDJU/"
        },
        {
          "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/U67ZSMNX5V3WTBYPUYF45PSFG4SF5SGF/"
        },
        {
          "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ROBB6TBDAGEQ2WIINR34F3DPSN3FND6K/"
        }
      ],
      "source": {
        "advisory": "GHSA-423w-p2w9-r7vq",
        "discovery": "UNKNOWN"
      },
      "title": "AEADs/aes-gcm: Plaintext exposed in decrypt_in_place_detached even on tag verification failure"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2023-42811",
    "datePublished": "2023-09-22T15:19:15.445Z",
    "dateReserved": "2023-09-14T16:13:33.307Z",
    "dateUpdated": "2025-06-18T14:22:56.534Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.