Out-of-bounds read in firefox-esr (Alpine package)
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2020-3123 |
| CWE-ID | CWE-125 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
firefox-esr (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: #VU25015
Risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-3123
CWE-ID:
CWE-125 - Out-of-bounds read
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary condition in the Data-Loss-Prevention (DLP) module in Clam AntiVirus (ClamAV) with enabled optional DLP feature. A remote attacker can send a specially crafted email to the affected system, trigger an out-of-bounds read error and crash the ClamAV process.
MitigationInstall update from vendor's website.
Vulnerable software versionsfirefox-esr (Alpine package): 68.3.0-r0 - 68.8.0-r0
External linkshttp://git.alpinelinux.org/aports/commit/?id=d674ed89f91ccc24468e27d5dcde264eb734f58c
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.
