GCVE Workshop - 22 September 2026 (14:00-18:00), Luxembourg Before The Vulnopticon Conference - Registration

OPENSUSE-SU-2021:0265-1

Vulnerability from csaf_opensuse - Published: 2021-02-08 17:05 - Updated: 2021-02-08 17:05
Summary
Security update for privoxy
Severity
Moderate
Notes
Title of the patch: Security update for privoxy
Description of the patch: This update for privoxy fixes the following issues: - Update to version 3.0.31: - Security/Reliability (boo#1181650) - Prevent an assertion from getting triggered by a crafted CGI request. Commit 5bba5b89193fa. OVE-20210130-0001. CVE-2021-20217 Reported by: Joshua Rogers (Opera) - Fixed a memory leak when decompression fails 'unexpectedly'. Commit f431d61740cc0. OVE-20210128-0001. CVE-2021-20216 - Bug fixes: - Fixed detection of insufficient data for decompression. Previously Privoxy could try to decompress a partly uninitialized buffer.
Patchnames: openSUSE-2021-265
Terms of use: CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
CVE-2021-20216
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products
Product Identifier Version Remediation
Unresolved product id: openSUSE Leap 15.2:privoxy-3.0.31-lp152.3.6.1.x86_64 —
Vendor Fix
Unresolved product id: openSUSE Leap 15.2:privoxy-doc-3.0.31-lp152.3.6.1.noarch —
Vendor Fix
Threats
Impact important
CVE-2021-20217
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products
Recommended 2 products, the same list as for CVE-2021-20216
Threats
Impact important
References
To clipboard 

{
  "document": {
    "aggregate_severity": {
      "namespace": "https://www.suse.com/support/security/rating/",
      "text": "moderate"
    },
    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "distribution": {
      "text": "Copyright 2024 SUSE LLC. All rights reserved.",
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "en",
    "notes": [
      {
        "category": "summary",
        "text": "Security update for privoxy",
        "title": "Title of the patch"
      },
      {
        "category": "description",
        "text": "This update for privoxy fixes the following issues:\n\n- Update to version 3.0.31:\n  - Security/Reliability (boo#1181650)\n    - Prevent an assertion from getting triggered by a crafted\n      CGI request.\n      Commit 5bba5b89193fa. OVE-20210130-0001. CVE-2021-20217\n      Reported by: Joshua Rogers (Opera)\n    - Fixed a memory leak when decompression fails \u0027unexpectedly\u0027.\n      Commit f431d61740cc0. OVE-20210128-0001. CVE-2021-20216\n  - Bug fixes:\n    - Fixed detection of insufficient data for decompression.\n      Previously Privoxy could try to decompress a partly\n      uninitialized buffer.\n",
        "title": "Description of the patch"
      },
      {
        "category": "details",
        "text": "openSUSE-2021-265",
        "title": "Patchnames"
      },
      {
        "category": "legal_disclaimer",
        "text": "CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).",
        "title": "Terms of use"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "https://www.suse.com/support/security/contact/",
      "name": "SUSE Product Security Team",
      "namespace": "https://www.suse.com/"
    },
    "references": [
      {
        "category": "external",
        "summary": "SUSE ratings",
        "url": "https://www.suse.com/support/security/rating/"
      },
      {
        "category": "self",
        "summary": "URL of this CSAF notice",
        "url": "https://ftp.suse.com/pub/projects/security/csaf/opensuse-su-2021_0265-1.json"
      },
      {
        "category": "self",
        "summary": "URL for openSUSE-SU-2021:0265-1",
        "url": "https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/LYXYETZZHYGLBE3WLXSZCYBO5VDRKFDT/"
      },
      {
        "category": "self",
        "summary": "E-Mail link for openSUSE-SU-2021:0265-1",
        "url": "https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/LYXYETZZHYGLBE3WLXSZCYBO5VDRKFDT/"
      },
      {
        "category": "self",
        "summary": "SUSE Bug 1181650",
        "url": "https://bugzilla.suse.com/1181650"
      },
      {
        "category": "self",
        "summary": "SUSE CVE CVE-2021-20216 page",
        "url": "https://www.suse.com/security/cve/CVE-2021-20216/"
      },
      {
        "category": "self",
        "summary": "SUSE CVE CVE-2021-20217 page",
        "url": "https://www.suse.com/security/cve/CVE-2021-20217/"
      }
    ],
    "title": "Security update for privoxy",
    "tracking": {
      "current_release_date": "2021-02-08T17:05:07Z",
      "generator": {
        "date": "2021-02-08T17:05:07Z",
        "engine": {
          "name": "cve-database.git:bin/generate-csaf.pl",
          "version": "1"
        }
      },
      "id": "openSUSE-SU-2021:0265-1",
      "initial_release_date": "2021-02-08T17:05:07Z",
      "revision_history": [
        {
          "date": "2021-02-08T17:05:07Z",
          "number": "1",
          "summary": "Current version"
        }
      ],
      "status": "final",
      "version": "1"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "privoxy-doc-3.0.31-lp152.3.6.1.noarch",
                "product": {
                  "name": "privoxy-doc-3.0.31-lp152.3.6.1.noarch",
                  "product_id": "privoxy-doc-3.0.31-lp152.3.6.1.noarch"
                }
              }
            ],
            "category": "architecture",
            "name": "noarch"
          },
          {
            "branches": [
              {
                "category": "product_version",
                "name": "privoxy-3.0.31-lp152.3.6.1.x86_64",
                "product": {
                  "name": "privoxy-3.0.31-lp152.3.6.1.x86_64",
                  "product_id": "privoxy-3.0.31-lp152.3.6.1.x86_64"
                }
              }
            ],
            "category": "architecture",
            "name": "x86_64"
          },
          {
            "branches": [
              {
                "category": "product_name",
                "name": "openSUSE Leap 15.2",
                "product": {
                  "name": "openSUSE Leap 15.2",
                  "product_id": "openSUSE Leap 15.2",
                  "product_identification_helper": {
                    "cpe": "cpe:/o:opensuse:leap:15.2"
                  }
                }
              }
            ],
            "category": "product_family",
            "name": "SUSE Linux Enterprise"
          }
        ],
        "category": "vendor",
        "name": "SUSE"
      }
    ],
    "relationships": [
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "privoxy-3.0.31-lp152.3.6.1.x86_64 as component of openSUSE Leap 15.2",
          "product_id": "openSUSE Leap 15.2:privoxy-3.0.31-lp152.3.6.1.x86_64"
        },
        "product_reference": "privoxy-3.0.31-lp152.3.6.1.x86_64",
        "relates_to_product_reference": "openSUSE Leap 15.2"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "privoxy-doc-3.0.31-lp152.3.6.1.noarch as component of openSUSE Leap 15.2",
          "product_id": "openSUSE Leap 15.2:privoxy-doc-3.0.31-lp152.3.6.1.noarch"
        },
        "product_reference": "privoxy-doc-3.0.31-lp152.3.6.1.noarch",
        "relates_to_product_reference": "openSUSE Leap 15.2"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2021-20216",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2021-20216"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "A flaw was found in Privoxy in versions before 3.0.31. A memory leak that occurs when decompression fails unexpectedly may lead to a denial of service. The highest threat from this vulnerability is to system availability.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "openSUSE Leap 15.2:privoxy-3.0.31-lp152.3.6.1.x86_64",
          "openSUSE Leap 15.2:privoxy-doc-3.0.31-lp152.3.6.1.noarch"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2021-20216",
          "url": "https://www.suse.com/security/cve/CVE-2021-20216"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1181650 for CVE-2021-20216",
          "url": "https://bugzilla.suse.com/1181650"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
          "product_ids": [
            "openSUSE Leap 15.2:privoxy-3.0.31-lp152.3.6.1.x86_64",
            "openSUSE Leap 15.2:privoxy-doc-3.0.31-lp152.3.6.1.noarch"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "products": [
            "openSUSE Leap 15.2:privoxy-3.0.31-lp152.3.6.1.x86_64",
            "openSUSE Leap 15.2:privoxy-doc-3.0.31-lp152.3.6.1.noarch"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2021-02-08T17:05:07Z",
          "details": "important"
        }
      ],
      "title": "CVE-2021-20216"
    },
    {
      "cve": "CVE-2021-20217",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2021-20217"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "A flaw was found in Privoxy in versions before 3.0.31. An assertion failure triggered by a crafted CGI request may lead to denial of service. The highest threat from this vulnerability is to system availability.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "openSUSE Leap 15.2:privoxy-3.0.31-lp152.3.6.1.x86_64",
          "openSUSE Leap 15.2:privoxy-doc-3.0.31-lp152.3.6.1.noarch"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2021-20217",
          "url": "https://www.suse.com/security/cve/CVE-2021-20217"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1181650 for CVE-2021-20217",
          "url": "https://bugzilla.suse.com/1181650"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
          "product_ids": [
            "openSUSE Leap 15.2:privoxy-3.0.31-lp152.3.6.1.x86_64",
            "openSUSE Leap 15.2:privoxy-doc-3.0.31-lp152.3.6.1.noarch"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "products": [
            "openSUSE Leap 15.2:privoxy-3.0.31-lp152.3.6.1.x86_64",
            "openSUSE Leap 15.2:privoxy-doc-3.0.31-lp152.3.6.1.noarch"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2021-02-08T17:05:07Z",
          "details": "important"
        }
      ],
      "title": "CVE-2021-20217"
    }
  ]
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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.


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.