GHSA-jrm6-h9cq-8gqw

Source

https://github.com/advisories/GHSA-jrm6-h9cq-8gqw

Import Source

https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2023/06/GHSA-jrm6-h9cq-8gqw/GHSA-jrm6-h9cq-8gqw.json

JSON Data

https://api.test.osv.dev/v1/vulns/GHSA-jrm6-h9cq-8gqw

Aliases

CVE-2023-36810

Published

2023-06-30T22:17:52Z

Modified

2023-11-06T05:23:29.986403Z

Severity

6.2 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator

Summary

PyPDF2 quadratic runtime with malformed PDF missing xref marker

Details

Impact

An attacker who uses this vulnerability can craft a PDF which leads to unexpected long runtime. This quadratic runtime blocks the current process and can utilize a single core of the CPU by 100%. It does not affect memory usage.

Patches

https://github.com/py-pdf/pypdf/pull/808

Workarounds

Is there a way for users to fix or remediate the vulnerability without upgrading?

References

Database specific

{
    "nvd_published_at": "2023-06-30T19:15:09Z",
    "cwe_ids": [
        "CWE-407"
    ],
    "severity": "MODERATE",
    "github_reviewed": true,
    "github_reviewed_at": "2023-06-30T22:17:52Z"
}

References

Affected packages

PyPI / pypdf2

Package

Name: pypdf2; View open source insights on deps.dev
Purl: pkg:pypi/pypdf2

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

1.27.9

Affected versions

1.*

1.15

1.16

1.17

1.18

1.19

1.20

1.21

1.22

1.23

1.24

1.25

1.25.1

1.26.0

1.27.0

1.27.1

1.27.2

1.27.3

1.27.4

1.27.5

1.27.6

1.27.7

1.27.8

Ecosystem specific

{
    "affected_functions": [
        "PyPDF2.PdfFileReader.readNextEndLine"
    ]
}

Database specific

{
    "last_known_affected_version_range": "<= 1.27.8"
}