Integer overflow in sqlite (Alpine package)

1) Integer overflow

EUVDB-ID: #VU28227

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-2020-13434

CWE-ID: CWE-190 - Integer overflow

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to integer overflow within the sqlite3_str_vappendf() function in printf.c. A remote attacker can pass specially crafted data to the application, trigger integer overflow and crash the application.

Mitigation

Install update from vendor's website.

Vulnerable software versions

sqlite (Alpine package): 3.6.15-r0 - 3.32.1-r0

sqlite (Alpine package):

CPE2.3

• cpe:2.3:o:alpine:sqlite_alpine_package:3.6.15-r0:*:*:*:*:alpine_linux:*:1.9
• cpe:2.3:o:alpine:sqlite_alpine_package:3.7.0.1-r0:*:*:*:*:alpine_linux:*:2.0
• cpe:2.3:o:alpine:sqlite_alpine_package:3.7.3-r0:*:*:*:*:alpine_linux:*:2.1
• cpe:2.3:o:alpine:sqlite_alpine_package::*:*:*:*:alpine_linux:*:*

External links

https://git.alpinelinux.org/aports/commit/?id=7b239bab22495734019a47cf43e9910e049e98a7

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.