Integer overflow in sqlite (Alpine package)

1) Integer overflow

EUVDB-ID: #VU28227

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-2020-13434

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:3.31.1-r1:*:*:*:*:alpine_linux:*:
• cpe:2.3:o:alpine:sqlite_alpine_package:3.32.1-r0:*:*:*:*:alpine_linux:*:
• cpe:2.3:o:alpine:sqlite_alpine_package:3.28.0-r0:*:*:*:*:alpine_linux:*:
• cpe:2.3:o:alpine:sqlite_alpine_package::*:*:*:*:alpine_linux:*:

External links

http://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.