Out-of-bounds read in firefox-esr (Alpine package)
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2018-19758 |
| CWE-ID | CWE-125 |
| Exploitation vector | Network |
| Public exploit | Public exploit code for vulnerability #1 is available. |
| 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 low risk vulnerability.
1) Out-of-bounds read
EUVDB-ID: #VU16205
Risk: Low
CVSSv3.1: 5.9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C]
CVE-ID: CVE-2018-19758
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 heap-based buffer overread condition in the wav_write_headerfunction, as defined in the wav.c source code file. A remote attacker can trick the victim into following a custom link or opening a crafted audio file that submits malicious input, trigger memory corruption and perform a denial of service attack.
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. However, proof of concept for this vulnerability is available.
