Denial of service in Hiredis library for Redis
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2020-7105 |
| CWE-ID | CWE-476 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Hiredis Universal components / Libraries / Libraries used by multiple products |
| Vendor | Redis Labs |
Security Bulletin
This security bulletin contains information about 1 vulnerabilities.
Updated 04.08.2020
Added fixed version.
1) NULL pointer dereference
EUVDB-ID: #VU24357
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-2020-7105
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 "async.c" and "dict.c" in "libhiredis.a" because malloc return values are unchecked. A remote attacker can perform a denial of service (DoS) attack.
MitigationInstall updates from vendor's website.
Vulnerable software versionsHiredis: 0.0.1 - 0.14.0
External linkshttp://github.com/redis/hiredis/issues/747
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.
