Out-of-bounds write in PDFResurrect - CVE-2019-14934
Published: August 12, 2019 / Updated: July 17, 2020
Vulnerability identifier: #VU30825
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2019-14934
CWE-ID: CWE-787
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Matt Davis
Affected software:
PDFResurrect
PDFResurrect
Detailed vulnerability description
The vulnerability allows a local non-authenticated attacker to execute arbitrary code.
An issue was discovered in PDFResurrect before 0.18. pdf_load_pages_kids in pdf.c doesn't validate a certain size value, which leads to a malloc failure and out-of-bounds write.
How to mitigate CVE-2019-14934
Install update from vendor's website.
Sources
- https://github.com/enferex/pdfresurrect/commit/0c4120fffa3dffe97b95c486a120eded82afe8a6
- https://github.com/enferex/pdfresurrect/compare/v0.17...v0.18
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4DBYXYU2VSDJ3NAL54IW2KYD3TZSR33M/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LXN6W5QTNQJ2LFDCQWKYSMMZ3NPUWP3U/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/Y243C2IFMRFQWHV62JCSHTMQGDDCICNF/