CVE-2023-23457
MEDIUMCVSS 5.5/10EPSS 0.35%
Last modified
CVE-2023-23457 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. A Segmentation fault was found in UPX in PackLinuxElf64::invert_pt_dynamic() in p_lx_elf.cpp. An attacker with a crafted input file allows invalid memory address access that could lead to a denial of service.. EPSS estimates a 0.35% chance of exploitation in the next 30 days.
Description
A Segmentation fault was found in UPX in PackLinuxElf64::invert_pt_dynamic() in p_lx_elf.cpp. An attacker with a crafted input file allows invalid memory address access that could lead to a denial of service.
Metrics
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Upx | Upx | < 2022-11-23 |
| Fedoraproject | Fedora | 36 |
| Fedoraproject | Fedora | 37 |
References
- https://bugzilla.redhat.com/show_bug.cgi?id=2160382Issue Tracking, Patch, Third Party Advisory
- https://github.com/upx/upx/commit/779b648c5f6aa9b33f4728f79dd4d0efec0bf860Patch, Third Party Advisory
- https://github.com/upx/upx/issues/631Exploit, Patch, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2160382Issue Tracking, Patch, Third Party Advisory
- https://github.com/upx/upx/commit/779b648c5f6aa9b33f4728f79dd4d0efec0bf860Patch, Third Party Advisory
- https://github.com/upx/upx/issues/631Exploit, Patch, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2023-23457?
A Segmentation fault was found in UPX in PackLinuxElf64::invert_pt_dynamic() in p_lx_elf.cpp. An attacker with a crafted input file allows invalid memory address access that could lead to a denial of service.
How severe is CVE-2023-23457?
CVE-2023-23457 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.35% probability of exploitation in the next 30 days.
How do I fix CVE-2023-23457?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2023-23457?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST