OESA-2021-1008 (CVE-2020-11526)

Vulnerability from osv_openeuler – Published: 2021-02-04 11:04 – Updated: 2026-08-06 11:04 – Source website
VLAI
Summary
freerdp security update
Details

FreeRDP is a client implementation of the Remote Desktop Protocol (RDP) that follows Microsoft's open specifications. This package provides the client applications xfreerdp and wlfreerdp.\r\n\r\n Security Fix(es):\r\n\r\n libfreerdp/core/update.c in FreeRDP versions > 1.1 through 2.0.0-rc4 has an Out-of-bounds Read.(CVE-2020-11526)\r\n\r\n In FreeRDP greater than 1.2 and before 2.0.0, a double free in update_read_cache_bitmap_v3_order crashes the client application if corrupted data from a manipulated server is parsed. This has been patched in 2.0.0.(CVE-2020-11044)\r\n\r\n In FreeRDP greater than 1.1 and before 2.0.0, there is an out-of-bounds read in update_read_icon_info. It allows reading a attacker-defined amount of client memory (32bit unsigned -> 4GB) to an intermediate buffer. This can be used to crash the client or store information for later retrieval. This has been patched in 2.0.0.(CVE-2020-11042)\r\n\r\n In FreeRDP before version 2.1.2, an out of bound reads occurs resulting in accessing a memory location that is outside of the boundaries of the static array PRIMARY_DRAWING_ORDER_FIELD_BYTES. This is fixed in version 2.1.2.(CVE-2020-11095)\r\n\r\n In FreeRDP after 1.0 and before 2.0.0, there is an out-of-bound read in in update_read_bitmap_data that allows client memory to be read to an image buffer. The result displayed on screen as colour.(CVE-2020-11045)\r\n\r\n libfreerdp/gdi/gdi.c in FreeRDP > 1.0 through 2.0.0-rc4 has an Out-of-bounds Read.(CVE-2020-11522)\r\n\r\n libfreerdp/codec/interleaved.c in FreeRDP versions > 1.0 through 2.0.0-rc4 has an Out-of-bounds Write.(CVE-2020-11524)\r\n\r\n libfreerdp/codec/planar.c in FreeRDP version > 1.0 through 2.0.0-rc4 has an Out-of-bounds Write.(CVE-2020-11521)\r\n\r\n libfreerdp/cache/bitmap.c in FreeRDP versions > 1.0 through 2.0.0-rc4 has an Out of bounds read.(CVE-2020-11525)\r\n\r\n libfreerdp/codec/planar.c in FreeRDP version > 1.0 through 2.0.0-rc4 has an Out-of-bounds Write.(CVE-2020-11521)\r\n\r\n libfreerdp/codec/region.c in FreeRDP through 1.1.x and 2.x through 2.0.0-rc4 has memory leaks because a supplied realloc pointer (i.e., the first argument to realloc) is also used for a realloc return value.(CVE-2019-17177)\r\n\r\n

Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
References
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "aarch64": [
          "freerdp-debugsource-2.2.0-2.oe1.aarch64.rpm",
          "libwinpr-2.2.0-2.oe1.aarch64.rpm",
          "freerdp-help-2.2.0-2.oe1.aarch64.rpm",
          "freerdp-debuginfo-2.2.0-2.oe1.aarch64.rpm",
          "libwinpr-devel-2.2.0-2.oe1.aarch64.rpm",
          "freerdp-2.2.0-2.oe1.aarch64.rpm",
          "freerdp-devel-2.2.0-2.oe1.aarch64.rpm",
          "freerdp-debugsource-2.2.0-2.oe1.aarch64.rpm",
          "libwinpr-2.2.0-2.oe1.aarch64.rpm",
          "freerdp-help-2.2.0-2.oe1.aarch64.rpm",
          "freerdp-debuginfo-2.2.0-2.oe1.aarch64.rpm",
          "libwinpr-devel-2.2.0-2.oe1.aarch64.rpm",
          "freerdp-2.2.0-2.oe1.aarch64.rpm",
          "freerdp-devel-2.2.0-2.oe1.aarch64.rpm"
        ],
        "src": [
          "freerdp-2.2.0-2.oe1.src.rpm",
          "freerdp-2.2.0-2.oe1.src.rpm"
        ],
        "x86_64": [
          "libwinpr-2.2.0-2.oe1.x86_64.rpm",
          "libwinpr-devel-2.2.0-2.oe1.x86_64.rpm",
          "freerdp-devel-2.2.0-2.oe1.x86_64.rpm",
          "freerdp-help-2.2.0-2.oe1.x86_64.rpm",
          "freerdp-debuginfo-2.2.0-2.oe1.x86_64.rpm",
          "freerdp-2.2.0-2.oe1.x86_64.rpm",
          "freerdp-debugsource-2.2.0-2.oe1.x86_64.rpm",
          "libwinpr-2.2.0-2.oe1.x86_64.rpm",
          "libwinpr-devel-2.2.0-2.oe1.x86_64.rpm",
          "freerdp-devel-2.2.0-2.oe1.x86_64.rpm",
          "freerdp-help-2.2.0-2.oe1.x86_64.rpm",
          "freerdp-debuginfo-2.2.0-2.oe1.x86_64.rpm",
          "freerdp-2.2.0-2.oe1.x86_64.rpm",
          "freerdp-debugsource-2.2.0-2.oe1.x86_64.rpm"
        ]
      },
      "package": {
        "ecosystem": "openEuler:20.03-LTS",
        "name": "freerdp",
        "purl": "pkg:rpm/openEuler/freerdp\u0026distro=openEuler-20.03-LTS"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.2.0-2.oe1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "ecosystem_specific": {
        "aarch64": [
          "freerdp-debugsource-2.2.0-2.oe1.aarch64.rpm",
          "libwinpr-2.2.0-2.oe1.aarch64.rpm",
          "freerdp-help-2.2.0-2.oe1.aarch64.rpm",
          "freerdp-debuginfo-2.2.0-2.oe1.aarch64.rpm",
          "libwinpr-devel-2.2.0-2.oe1.aarch64.rpm",
          "freerdp-2.2.0-2.oe1.aarch64.rpm",
          "freerdp-devel-2.2.0-2.oe1.aarch64.rpm"
        ],
        "src": [
          "freerdp-2.2.0-2.oe1.src.rpm"
        ],
        "x86_64": [
          "libwinpr-2.2.0-2.oe1.x86_64.rpm",
          "libwinpr-devel-2.2.0-2.oe1.x86_64.rpm",
          "freerdp-devel-2.2.0-2.oe1.x86_64.rpm",
          "freerdp-help-2.2.0-2.oe1.x86_64.rpm",
          "freerdp-debuginfo-2.2.0-2.oe1.x86_64.rpm",
          "freerdp-2.2.0-2.oe1.x86_64.rpm",
          "freerdp-debugsource-2.2.0-2.oe1.x86_64.rpm"
        ]
      },
      "package": {
        "ecosystem": "openEuler:20.03-LTS-SP1",
        "name": "freerdp",
        "purl": "pkg:rpm/openEuler/freerdp\u0026distro=openEuler-20.03-LTS-SP1"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.2.0-2.oe1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "severity": "Medium"
  },
  "details": "FreeRDP is a client implementation of the Remote Desktop Protocol (RDP) that follows Microsoft\u0027s open specifications. This package provides the client applications xfreerdp and wlfreerdp.\\r\\n\\r\\n\r\nSecurity Fix(es):\\r\\n\\r\\n\r\nlibfreerdp/core/update.c in FreeRDP versions \u003e 1.1 through 2.0.0-rc4 has an Out-of-bounds Read.(CVE-2020-11526)\\r\\n\\r\\n\r\nIn FreeRDP greater than 1.2 and before 2.0.0, a double free in update_read_cache_bitmap_v3_order crashes the client application if corrupted data from a manipulated server is parsed. This has been patched in 2.0.0.(CVE-2020-11044)\\r\\n\\r\\n\r\nIn FreeRDP greater than 1.1 and before 2.0.0, there is an out-of-bounds read in update_read_icon_info. It allows reading a attacker-defined amount of client memory (32bit unsigned -\u003e 4GB) to an intermediate buffer. This can be used to crash the client or store information for later retrieval. This has been patched in 2.0.0.(CVE-2020-11042)\\r\\n\\r\\n\r\nIn FreeRDP before version 2.1.2, an out of bound reads occurs resulting in accessing a memory location that is outside of the boundaries of the static array PRIMARY_DRAWING_ORDER_FIELD_BYTES. This is fixed in version 2.1.2.(CVE-2020-11095)\\r\\n\\r\\n\r\nIn FreeRDP after 1.0 and before 2.0.0, there is an out-of-bound read in in update_read_bitmap_data that allows client memory to be read to an image buffer. The result displayed on screen as colour.(CVE-2020-11045)\\r\\n\\r\\n\nlibfreerdp/gdi/gdi.c in FreeRDP \u003e 1.0 through 2.0.0-rc4 has an Out-of-bounds Read.(CVE-2020-11522)\\r\\n\\r\\n\nlibfreerdp/codec/interleaved.c in FreeRDP versions \u003e 1.0 through 2.0.0-rc4 has an Out-of-bounds Write.(CVE-2020-11524)\\r\\n\\r\\n\nlibfreerdp/codec/planar.c in FreeRDP version \u003e 1.0 through 2.0.0-rc4 has an Out-of-bounds Write.(CVE-2020-11521)\\r\\n\\r\\n\nlibfreerdp/cache/bitmap.c in FreeRDP versions \u003e 1.0 through 2.0.0-rc4 has an Out of bounds read.(CVE-2020-11525)\\r\\n\\r\\n\nlibfreerdp/codec/planar.c in FreeRDP version \u003e 1.0 through 2.0.0-rc4 has an Out-of-bounds Write.(CVE-2020-11521)\\r\\n\\r\\n\nlibfreerdp/codec/region.c in FreeRDP through 1.1.x and 2.x through 2.0.0-rc4 has memory leaks because a supplied realloc pointer (i.e., the first argument to realloc) is also used for a realloc return value.(CVE-2019-17177)\\r\\n\\r\\n",
  "id": "OESA-2021-1008",
  "modified": "2026-08-06T11:04:14Z",
  "published": "2021-02-04T11:04:14Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2021-1008"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-11526"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-11044"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-11042"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-11095"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-11045"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-11522"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-11524"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-11521"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-11525"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-11523"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-17177"
    }
  ],
  "schema_version": "1.7.2",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "freerdp security update",
  "upstream": [
    "CVE-2020-11526",
    "CVE-2020-11044",
    "CVE-2020-11042",
    "CVE-2020-11095",
    "CVE-2020-11045",
    "CVE-2020-11522",
    "CVE-2020-11524",
    "CVE-2020-11523",
    "CVE-2020-11525",
    "CVE-2020-11521",
    "CVE-2019-17177"
  ]
}



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