{"dataType": "CVE_RECORD", "dataVersion": "5.0", "cveMetadata": {"cveId": "CVE-2023-36464", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2023-06-21T18:50:41.700Z", "datePublished": "2023-06-27T21:24:30.685Z", "dateUpdated": "2023-06-27T21:24:30.685Z"}, "containers": {"cna": {"title": "Infinite Loop when a comment isn't followed by a character in pypdf", "problemTypes": [{"descriptions": [{"cweId": "CWE-835", "lang": "en", "description": "CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop')", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 6.2, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}}], "references": [{"name": "https://github.com/py-pdf/pypdf/security/advisories/GHSA-4vvm-4w3v-6mr8", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/py-pdf/pypdf/security/advisories/GHSA-4vvm-4w3v-6mr8"}, {"name": "https://github.com/py-pdf/pypdf/pull/1828", "tags": ["x_refsource_MISC"], "url": "https://github.com/py-pdf/pypdf/pull/1828"}, {"name": "https://github.com/py-pdf/pypdf/pull/969", "tags": ["x_refsource_MISC"], "url": "https://github.com/py-pdf/pypdf/pull/969"}], "affected": [{"vendor": "py-pdf", "product": "pypdf", "versions": [{"version": " pypdf: < 3.90", "status": "affected"}, {"version": "PyPDF2: >= 2.2.0", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2023-06-27T21:24:30.685Z"}, "descriptions": [{"lang": "en", "value": "pypdf is an open source, pure-python PDF library. In affected versions an attacker may craft a PDF which leads to an infinite loop if `__parse_content_stream` is executed. That is, for example, the case if the user extracted text from such a PDF. This issue was introduced in pull request #969 and resolved in pull request #1828. Users are advised to upgrade. Users unable to upgrade may modify the line `while peek not in (b\"\\r\", b\"\\n\")` in `pypdf/generic/_data_structures.py` to `while peek not in (b\"\\r\", b\"\\n\", b\"\")`."}], "source": {"advisory": "GHSA-4vvm-4w3v-6mr8", "discovery": "UNKNOWN"}}}}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:pypdf_project:pypdf:*:*:*:*:*:*:*:*", "matchCriteriaId": "43351A22-B6B0-4D07-9324-E74D03D39EE9", "versionEndExcluding": "3.9.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:pypdf2_project:pypdf2:*:*:*:*:*:*:*:*", "matchCriteriaId": "DD9934DB-5ADB-4BD1-B3E8-2C06CCF199D6", "versionStartIncluding": "2.2.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "pypdf is an open source, pure-python PDF library. In affected versions an attacker may craft a PDF which leads to an infinite loop if `__parse_content_stream` is executed. That is, for example, the case if the user extracted text from such a PDF. This issue was introduced in pull request #969 and resolved in pull request #1828. Users are advised to upgrade. Users unable to upgrade may modify the line `while peek not in (b\"\\r\", b\"\\n\")` in `pypdf/generic/_data_structures.py` to `while peek not in (b\"\\r\", b\"\\n\", b\"\")`."}], "id": "CVE-2023-36464", "lastModified": "2023-07-06T16:13:49.513", "metrics": {"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": 6.2, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.5, "impactScore": 3.6, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2023-06-27T22:15:11.790", "references": [{"source": "security-advisories@github.com", "tags": ["Patch"], "url": "https://github.com/py-pdf/pypdf/pull/1828"}, {"source": "security-advisories@github.com", "tags": ["Issue Tracking", "Patch"], "url": "https://github.com/py-pdf/pypdf/pull/969"}, {"source": "security-advisories@github.com", "tags": ["Exploit", "Patch"], "url": "https://github.com/py-pdf/pypdf/security/advisories/GHSA-4vvm-4w3v-6mr8"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-835"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}