ubuntu-cve-2018-20457
Vulnerability from osv_ubuntu
Published
2018-12-25 19:29
Modified
2026-05-20 14:50
Summary
Details

In radare2 through 3.1.3, the assemble function inside libr/asm/p/asm_arm_cs.c allows attackers to cause a denial-of-service (application crash via an r_num_calc out-of-bounds read) by crafting an arm assembly input because a loop uses an incorrect index in armass.c and certain length validation is missing in armass64.c, a related issue to CVE-2018-20459.

Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
N/A (UNKNOWN)
medium
References
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libradare2-0.9.6",
            "binary_version": "0.9.6-3.1ubuntu1"
          },
          {
            "binary_name": "libradare2-common",
            "binary_version": "0.9.6-3.1ubuntu1"
          },
          {
            "binary_name": "radare2",
            "binary_version": "0.9.6-3.1ubuntu1"
          },
          {
            "binary_name": "radare2-plugins",
            "binary_version": "0.9.6-3.1ubuntu1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "radare2",
        "purl": "pkg:deb/ubuntu/radare2@0.9.6-3.1ubuntu1?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.9.6-3.1ubuntu1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libradare2-2.3",
            "binary_version": "2.3.0+dfsg-2ubuntu0.1~esm1"
          },
          {
            "binary_name": "libradare2-common",
            "binary_version": "2.3.0+dfsg-2ubuntu0.1~esm1"
          },
          {
            "binary_name": "radare2",
            "binary_version": "2.3.0+dfsg-2ubuntu0.1~esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:18.04:LTS",
        "name": "radare2",
        "purl": "pkg:deb/ubuntu/radare2@2.3.0+dfsg-2ubuntu0.1~esm1?arch=source\u0026distro=esm-apps/bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.6.0+dfsg-1",
        "2.0.0+dfsg-1",
        "2.1.0+dfsg-1",
        "2.3.0+dfsg-1",
        "2.3.0+dfsg-2",
        "2.3.0+dfsg-2ubuntu0.1~esm1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libradare2-5.0.0t64",
            "binary_version": "5.5.0+dfsg-1.1ubuntu3+esm1"
          },
          {
            "binary_name": "libradare2-common",
            "binary_version": "5.5.0+dfsg-1.1ubuntu3+esm1"
          },
          {
            "binary_name": "radare2",
            "binary_version": "5.5.0+dfsg-1.1ubuntu3+esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:24.04:LTS",
        "name": "radare2",
        "purl": "pkg:deb/ubuntu/radare2@5.5.0+dfsg-1.1ubuntu3+esm1?arch=source\u0026distro=esm-apps/noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "5.5.0+dfsg-1ubuntu1",
        "5.5.0+dfsg-1.1ubuntu2",
        "5.5.0+dfsg-1.1ubuntu3",
        "5.5.0+dfsg-1.1ubuntu3+esm1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libradare2-5.0.0t64",
            "binary_version": "5.9.8+dfsg-2ubuntu0.25.10.2"
          },
          {
            "binary_name": "libradare2-common",
            "binary_version": "5.9.8+dfsg-2ubuntu0.25.10.2"
          },
          {
            "binary_name": "radare2",
            "binary_version": "5.9.8+dfsg-2ubuntu0.25.10.2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:25.10",
        "name": "radare2",
        "purl": "pkg:deb/ubuntu/radare2@5.9.8+dfsg-2ubuntu0.25.10.2?arch=source\u0026distro=questing"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "5.9.8+dfsg-2",
        "5.9.8+dfsg-2ubuntu0.25.10.1",
        "5.9.8+dfsg-2ubuntu0.25.10.2"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libradare2-6.0.0t64",
            "binary_version": "6.0.7+ds-1"
          },
          {
            "binary_name": "libradare2-common",
            "binary_version": "6.0.7+ds-1"
          },
          {
            "binary_name": "radare2",
            "binary_version": "6.0.7+ds-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:26.04:LTS",
        "name": "radare2",
        "purl": "pkg:deb/ubuntu/radare2@6.0.7+ds-1?arch=source\u0026distro=resolute"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "5.9.8+dfsg-2",
        "6.0.4+dfsg-1",
        "6.0.7+ds-1"
      ]
    }
  ],
  "aliases": [],
  "details": "In radare2 through 3.1.3, the assemble function inside libr/asm/p/asm_arm_cs.c allows attackers to cause a denial-of-service (application crash via an r_num_calc out-of-bounds read) by crafting an arm assembly input because a loop uses an incorrect index in armass.c and certain length validation is missing in armass64.c, a related issue to CVE-2018-20459.",
  "id": "UBUNTU-CVE-2018-20457",
  "modified": "2026-05-20T14:50:57Z",
  "published": "2018-12-25T19:29:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2018-20457"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/radare/radare2/commit/e5c14c167b0dcf0a53d76bd50bacbbcc0dfc1ae7"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/radare/radare2/issues/12417"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/devnexen/radare2/commit/88a8adf080a9f8ed5a4250a2507752e133ba54dd"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2018-20457"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2018-20457"
  ]
}



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