NULL pointer dereference in sox (Alpine package)
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2019-8357 |
| CWE-ID | CWE-476 |
| Exploitation vector | Network |
| Public exploit | Public exploit code for vulnerability #1 is available. |
| Vulnerable software Subscribe |
sox (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) NULL pointer dereference
EUVDB-ID: #VU17766
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-2019-8357
CWE-ID:
CWE-476 - NULL Pointer Dereference
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error in n the lsx_make_lpf function, as defined in the effect_i_dsp.c source code file. A remote attacker can trick the victim into executing a file that submits malicious input to the targeted system with the sox command and perform a denial of service (DoS) attack.
MitigationInstall update from vendor's website.
Vulnerable software versionssox (Alpine package): 14.4.2-r0 - 14.4.2-r4
External linkshttp://git.alpinelinux.org/aports/commit/?id=86d8165dabb2ef111678693da7e68ae4c6332bc4
http://git.alpinelinux.org/aports/commit/?id=5402121572105dacecfadf254239c4aafed6dbae
http://git.alpinelinux.org/aports/commit/?id=95942be17b87677d6a63df31d34f02cf786f29c0
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.
