gsd-2020-25725
Vulnerability from gsd
Modified
2023-12-13 01:21
Details
In Xpdf 4.02, SplashOutputDev::endType3Char(GfxState *state) SplashOutputDev.cc:3079 is trying to use the freed `t3GlyphStack->cache`, which causes an `heap-use-after-free` problem. The codes of a previous fix for nested Type 3 characters wasn't correctly handling the case where a Type 3 char referred to another char in the same Type 3 font.
Aliases
Aliases
CVE-2020-25725


To clipboard 

{
   GSD: {
      alias: "CVE-2020-25725",
      description: "In Xpdf 4.02, SplashOutputDev::endType3Char(GfxState *state) SplashOutputDev.cc:3079 is trying to use the freed `t3GlyphStack->cache`, which causes an `heap-use-after-free` problem. The codes of a previous fix for nested Type 3 characters wasn't correctly handling the case where a Type 3 char referred to another char in the same Type 3 font.",
      id: "GSD-2020-25725",
      references: [
         "https://www.suse.com/security/cve/CVE-2020-25725.html",
         "https://advisories.mageia.org/CVE-2020-25725.html",
      ],
   },
   gsd: {
      metadata: {
         exploitCode: "unknown",
         remediation: "unknown",
         reportConfidence: "confirmed",
         type: "vulnerability",
      },
      osvSchema: {
         aliases: [
            "CVE-2020-25725",
         ],
         details: "In Xpdf 4.02, SplashOutputDev::endType3Char(GfxState *state) SplashOutputDev.cc:3079 is trying to use the freed `t3GlyphStack->cache`, which causes an `heap-use-after-free` problem. The codes of a previous fix for nested Type 3 characters wasn't correctly handling the case where a Type 3 char referred to another char in the same Type 3 font.",
         id: "GSD-2020-25725",
         modified: "2023-12-13T01:21:56.934383Z",
         schema_version: "1.4.0",
      },
   },
   namespaces: {
      "cve.org": {
         CVE_data_meta: {
            ASSIGNER: "secalert@redhat.com",
            ID: "CVE-2020-25725",
            STATE: "PUBLIC",
         },
         affects: {
            vendor: {
               vendor_data: [
                  {
                     product: {
                        product_data: [
                           {
                              product_name: "xpdf",
                              version: {
                                 version_data: [
                                    {
                                       version_affected: "=",
                                       version_value: "4.02",
                                    },
                                 ],
                              },
                           },
                        ],
                     },
                     vendor_name: "Glyph & Cog",
                  },
               ],
            },
         },
         data_format: "MITRE",
         data_type: "CVE",
         data_version: "4.0",
         description: {
            description_data: [
               {
                  lang: "eng",
                  value: "In Xpdf 4.02, SplashOutputDev::endType3Char(GfxState *state) SplashOutputDev.cc:3079 is trying to use the freed `t3GlyphStack->cache`, which causes an `heap-use-after-free` problem. The codes of a previous fix for nested Type 3 characters wasn't correctly handling the case where a Type 3 char referred to another char in the same Type 3 font.",
               },
            ],
         },
         impact: {
            cvss: [
               {
                  attackComplexity: "LOW",
                  attackVector: "LOCAL",
                  availabilityImpact: "HIGH",
                  baseScore: 5,
                  baseSeverity: "MEDIUM",
                  confidentialityImpact: "NONE",
                  integrityImpact: "NONE",
                  privilegesRequired: "LOW",
                  scope: "UNCHANGED",
                  userInteraction: "REQUIRED",
                  vectorString: "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H",
                  version: "3.1",
               },
            ],
         },
         problemtype: {
            problemtype_data: [
               {
                  description: [
                     {
                        cweId: "CWE-416",
                        lang: "eng",
                        value: "CWE-416",
                     },
                  ],
               },
            ],
         },
         references: {
            reference_data: [
               {
                  name: "https://forum.xpdfreader.com/viewtopic.php?f=3&t=41915",
                  refsource: "MISC",
                  url: "https://forum.xpdfreader.com/viewtopic.php?f=3&t=41915",
               },
               {
                  name: "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-25725",
                  refsource: "MISC",
                  url: "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-25725",
               },
               {
                  name: "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4ZUU5QG6SSVRTKZTR3A72LDRVZETEI63/",
                  refsource: "MISC",
                  url: "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4ZUU5QG6SSVRTKZTR3A72LDRVZETEI63/",
               },
               {
                  name: "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VLOYVJSM54IL6I5RY4QTJGRS7PIEG44X/",
                  refsource: "MISC",
                  url: "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VLOYVJSM54IL6I5RY4QTJGRS7PIEG44X/",
               },
            ],
         },
      },
      "nvd.nist.gov": {
         cve: {
            configurations: [
               {
                  nodes: [
                     {
                        cpeMatch: [
                           {
                              criteria: "cpe:2.3:a:xpdfreader:xpdf:4.02:*:*:*:*:*:*:*",
                              matchCriteriaId: "405F7593-5AB5-416A-A64D-846B3D9F5A94",
                              vulnerable: true,
                           },
                        ],
                        negate: false,
                        operator: "OR",
                     },
                  ],
               },
               {
                  nodes: [
                     {
                        cpeMatch: [
                           {
                              criteria: "cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*",
                              matchCriteriaId: "36D96259-24BD-44E2-96D9-78CE1D41F956",
                              vulnerable: true,
                           },
                           {
                              criteria: "cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*",
                              matchCriteriaId: "E460AA51-FCDA-46B9-AE97-E6676AA5E194",
                              vulnerable: true,
                           },
                        ],
                        negate: false,
                        operator: "OR",
                     },
                  ],
               },
            ],
            descriptions: [
               {
                  lang: "en",
                  value: "In Xpdf 4.02, SplashOutputDev::endType3Char(GfxState *state) SplashOutputDev.cc:3079 is trying to use the freed `t3GlyphStack->cache`, which causes an `heap-use-after-free` problem. The codes of a previous fix for nested Type 3 characters wasn't correctly handling the case where a Type 3 char referred to another char in the same Type 3 font.",
               },
               {
                  lang: "es",
                  value: "En Xpdf versión 4.02, la función SplashOutputDev::endType3Char(GfxState *state) en el archivo SplashOutputDev.cc:3079, está tratando de usar  \"t3GlyphStack-)cache\", el liberado, lo que causa un problema de \"heap-use-after-free\". Los códigos de una solución anterior para caracteres Type 3 anidados no manejaban correctamente el caso en el que un carácter Type 3 referenciada a otro carácter en la misma fuente Type 3",
               },
            ],
            id: "CVE-2020-25725",
            lastModified: "2023-12-13T21:27:39.883",
            metrics: {
               cvssMetricV2: [
                  {
                     acInsufInfo: false,
                     baseSeverity: "MEDIUM",
                     cvssData: {
                        accessComplexity: "MEDIUM",
                        accessVector: "NETWORK",
                        authentication: "NONE",
                        availabilityImpact: "PARTIAL",
                        baseScore: 4.3,
                        confidentialityImpact: "NONE",
                        integrityImpact: "NONE",
                        vectorString: "AV:N/AC:M/Au:N/C:N/I:N/A:P",
                        version: "2.0",
                     },
                     exploitabilityScore: 8.6,
                     impactScore: 2.9,
                     obtainAllPrivilege: false,
                     obtainOtherPrivilege: false,
                     obtainUserPrivilege: false,
                     source: "nvd@nist.gov",
                     type: "Primary",
                     userInteractionRequired: true,
                  },
               ],
               cvssMetricV31: [
                  {
                     cvssData: {
                        attackComplexity: "LOW",
                        attackVector: "LOCAL",
                        availabilityImpact: "HIGH",
                        baseScore: 5.5,
                        baseSeverity: "MEDIUM",
                        confidentialityImpact: "NONE",
                        integrityImpact: "NONE",
                        privilegesRequired: "NONE",
                        scope: "UNCHANGED",
                        userInteraction: "REQUIRED",
                        vectorString: "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
                        version: "3.1",
                     },
                     exploitabilityScore: 1.8,
                     impactScore: 3.6,
                     source: "nvd@nist.gov",
                     type: "Primary",
                  },
                  {
                     cvssData: {
                        attackComplexity: "LOW",
                        attackVector: "LOCAL",
                        availabilityImpact: "HIGH",
                        baseScore: 5,
                        baseSeverity: "MEDIUM",
                        confidentialityImpact: "NONE",
                        integrityImpact: "NONE",
                        privilegesRequired: "LOW",
                        scope: "UNCHANGED",
                        userInteraction: "REQUIRED",
                        vectorString: "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H",
                        version: "3.1",
                     },
                     exploitabilityScore: 1.3,
                     impactScore: 3.6,
                     source: "secalert@redhat.com",
                     type: "Secondary",
                  },
               ],
            },
            published: "2020-11-21T06:15:12.240",
            references: [
               {
                  source: "secalert@redhat.com",
                  tags: [
                     "Exploit",
                     "Issue Tracking",
                     "Third Party Advisory",
                  ],
                  url: "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-25725",
               },
               {
                  source: "secalert@redhat.com",
                  tags: [
                     "Exploit",
                     "Vendor Advisory",
                  ],
                  url: "https://forum.xpdfreader.com/viewtopic.php?f=3&t=41915",
               },
               {
                  source: "secalert@redhat.com",
                  tags: [
                     "Mailing List",
                     "Third Party Advisory",
                  ],
                  url: "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4ZUU5QG6SSVRTKZTR3A72LDRVZETEI63/",
               },
               {
                  source: "secalert@redhat.com",
                  tags: [
                     "Mailing List",
                     "Third Party Advisory",
                  ],
                  url: "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VLOYVJSM54IL6I5RY4QTJGRS7PIEG44X/",
               },
            ],
            sourceIdentifier: "secalert@redhat.com",
            vulnStatus: "Analyzed",
            weaknesses: [
               {
                  description: [
                     {
                        lang: "en",
                        value: "CWE-416",
                     },
                  ],
                  source: "secalert@redhat.com",
                  type: "Primary",
               },
               {
                  description: [
                     {
                        lang: "en",
                        value: "CWE-416",
                     },
                  ],
                  source: "nvd@nist.gov",
                  type: "Secondary",
               },
            ],
         },
      },
   },
}


Log in or create an account to share your comment.

Security Advisory comment format.

This schema specifies the format of a comment related to a security advisory.

UUIDv4 of the comment
UUIDv4 of the Vulnerability-Lookup instance
When the comment was created originally
When the comment was last updated
Title of the comment
Description of the comment
The identifier of the vulnerability (CVE ID, GHSA-ID, PYSEC ID, etc.).



Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.