CVE-2020-27788
Last modified
CVE-2020-27788 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. An out-of-bounds read access vulnerability was discovered in UPX in PackLinuxElf64::canPack() function of p_lx_elf.cpp file. An attacker with a crafted input file could trigger this issue that could cause a crash leading to a denial of service.. EPSS estimates a 0.32% chance of exploitation in the next 30 days.
Description
An out-of-bounds read access vulnerability was discovered in UPX in PackLinuxElf64::canPack() function of p_lx_elf.cpp file. An attacker with a crafted input file could trigger this issue that could cause a crash leading 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 | < 3.96 |
References
- https://github.com/upx/upx/commit/1bb93d4fce9f1d764ba57bf5ac154af515b3fc83Patch, Third Party Advisory
- https://github.com/upx/upx/issues/332Exploit, Issue Tracking, Patch, Third Party Advisory
- https://github.com/upx/upx/commit/1bb93d4fce9f1d764ba57bf5ac154af515b3fc83Patch, Third Party Advisory
- https://github.com/upx/upx/issues/332Exploit, Issue Tracking, Patch, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-27788?
How severe is CVE-2020-27788?
How do I fix CVE-2020-27788?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2020
- CVE-2020-27782A flaw was found in the Undertow AJP connector. Malicious re…7.5
- CVE-2020-27783A XSS vulnerability was discovered in python-lxml's clean mo…6.1
- CVE-2020-27784A vulnerability was found in the Linux kernel, where accessi…5.5
- CVE-2020-27785Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. ConsultID…
- CVE-2020-27786A flaw was found in the Linux kernel’s implementation of MID…7.8
- CVE-2020-27787A Segmentaation fault was found in UPX in invert_pt_dynamic(…5.5
- CVE-2020-27789Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. ConsultID…
- CVE-2020-2779Vulnerability in the MySQL Server product of Oracle MySQL (c…4.9
- CVE-2020-27790A floating point exception issue was discovered in UPX in Pa…5.5
- CVE-2020-27791Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. ConsultID…
- CVE-2020-27792A heap-based buffer overwrite vulnerability was found in Gho…7.1
- CVE-2020-27793An off-by-one overflow flaw was found in radare2 due to mism…7.5
Are you affected by CVE-2020-27788?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST