Out-of-bounds read in luajit (Alpine package)
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2020-15890 |
| CWE-ID | CWE-125 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software |
wireshark (Alpine package) Operating systems & Components / Operating system package or component luajit (Alpine package) Operating systems & Components / Operating system package or component |
| Vendor | Alpine Linux Development Team |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
1) Out-of-bounds read
EUVDB-ID: #VU34131
Risk: Medium
CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]
CVE-ID: CVE-2020-15890
CWE-ID:
CWE-125 - Out-of-bounds read
Exploit availability: No
DescriptionThe vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
LuaJit through 2.1.0-beta3 has an out-of-bounds read because __gc handler frame traversal is mishandled.
MitigationInstall update from vendor's website.
Vulnerable software versionswireshark (Alpine package): 3.4.1-r0
luajit (Alpine package): 2.2.0-r2
CPE2.3- cpe:2.3:o:alpine:wireshark_alpine_package:3.4.1-r0:*:*:*:*:alpine_linux:*:3.12
- cpe:2.3:o:alpine:luajit_alpine_package:2.2.0-r2:*:*:*:*:alpine_linux:*:3.12
https://git.alpinelinux.org/aports/commit/?id=cb41109f986b87f331ebdf6ecd3848010dec38fe
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
