Vulnerability Description
A buffer overflow in the patching routine of bsdiff4 before 1.2.0 allows an attacker to write to heap memory (beyond allocated bounds) via a crafted patch file.
CVSS Score
7.8
HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Pypi | Bsdiff4 | < 1.2.0 |
Related Weaknesses (CWE)
References
- https://github.com/ilanschnell/bsdiff4/blob/master/CHANGELOG.txtRelease NotesThird Party Advisory
- https://github.com/ilanschnell/bsdiff4/commit/49a4cee2feef7deaf9d89e5e793a882493PatchThird Party Advisory
- https://github.com/ilanschnell/bsdiff4/blob/master/CHANGELOG.txtRelease NotesThird Party Advisory
- https://github.com/ilanschnell/bsdiff4/commit/49a4cee2feef7deaf9d89e5e793a882493PatchThird Party Advisory
FAQ
What is CVE-2020-15904?
CVE-2020-15904 is a vulnerability with a CVSS score of 7.8 (HIGH). A buffer overflow in the patching routine of bsdiff4 before 1.2.0 allows an attacker to write to heap memory (beyond allocated bounds) via a crafted patch file.
How severe is CVE-2020-15904?
CVE-2020-15904 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-2020-15904?
Check the references section above for vendor advisories and patch information. Affected products include: Pypi Bsdiff4.