Vulnerability Description
Null pointer dereference was found in upx PackLinuxElf::canUnpack() in p_lx_elf.cpp,in version UPX 4.0.0. That allow attackers to execute arbitrary code and cause a denial of service via a crafted file.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Upx | Upx | 4.0.0 |
| Redhat | Enterprise Linux | 7.0 |
| Fedoraproject | Fedora | 33 |
Related Weaknesses (CWE)
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1948692Issue TrackingThird Party Advisory
- https://github.com/upx/upx/commit/90279abdfcd235172eab99651043051188938dccPatchThird Party Advisory
- https://github.com/upx/upx/issues/485ExploitIssue TrackingThird Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1948692Issue TrackingThird Party Advisory
- https://github.com/upx/upx/commit/90279abdfcd235172eab99651043051188938dccPatchThird Party Advisory
- https://github.com/upx/upx/issues/485ExploitIssue TrackingThird Party Advisory
FAQ
What is CVE-2021-30500?
CVE-2021-30500 is a vulnerability with a CVSS score of 7.8 (HIGH). Null pointer dereference was found in upx PackLinuxElf::canUnpack() in p_lx_elf.cpp,in version UPX 4.0.0. That allow attackers to execute arbitrary code and cause a denial of service via a crafted fil...
How severe is CVE-2021-30500?
CVE-2021-30500 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-2021-30500?
Check the references section above for vendor advisories and patch information. Affected products include: Upx Upx, Redhat Enterprise Linux, Fedoraproject Fedora.