Vulnerability Description
Heap-based buffer overflow in the NCompress::NShrink::CDecoder::CodeReal method in 7-Zip before 18.00 and p7zip allows remote attackers to cause a denial of service (out-of-bounds write) or potentially execute arbitrary code via a crafted ZIP archive.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| 7-Zip | 7-Zip | < 18.00 |
| 7-Zip | P7Zip | < 18.0 |
| Debian | Debian Linux | 7.0 |
Related Weaknesses (CWE)
References
- http://www.securitytracker.com/id/1040831
- https://0patch.blogspot.si/2018/02/two-interesting-micropatches-for-7-zip.html
- https://github.com/p7zip-project/p7zip/issues/7
- https://landave.io/2018/01/7-zip-multiple-memory-corruptions-via-rar-and-zip/ExploitTechnical DescriptionThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/02/msg00003.htmlMailing ListThird Party Advisory
- https://usn.ubuntu.com/3913-1/
- https://www.debian.org/security/2018/dsa-4104Third Party Advisory
- http://www.securitytracker.com/id/1040831
- https://0patch.blogspot.si/2018/02/two-interesting-micropatches-for-7-zip.html
- https://landave.io/2018/01/7-zip-multiple-memory-corruptions-via-rar-and-zip/ExploitTechnical DescriptionThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/02/msg00003.htmlMailing ListThird Party Advisory
- https://usn.ubuntu.com/3913-1/
- https://www.debian.org/security/2018/dsa-4104Third Party Advisory
FAQ
What is CVE-2017-17969?
CVE-2017-17969 is a vulnerability with a CVSS score of 7.8 (HIGH). Heap-based buffer overflow in the NCompress::NShrink::CDecoder::CodeReal method in 7-Zip before 18.00 and p7zip allows remote attackers to cause a denial of service (out-of-bounds write) or potentiall...
How severe is CVE-2017-17969?
CVE-2017-17969 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2017-17969?
Check the references section above for vendor advisories and patch information. Affected products include: 7-Zip 7-Zip, 7-Zip P7Zip, Debian Debian Linux.