Input validation error in sqlite (Alpine package)

1) Input validation error

EUVDB-ID: #VU23189

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-2019-19242

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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

The vulnerability exists due to insufficient validation within the sqlite3ExprCodeTarget(0 function in expr.c when processing the TK_COLUMN case. A remote attacker can pass specially crafted data to the application and perform a denial of service attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

sqlite (Alpine package): 3.25.3-r2

CPE2.3

• cpe:2.3:o:alpine:sqlite_alpine_package:3.25.3-r2:*:*:*:*:alpine_linux:*:3.7

External links

https://git.alpinelinux.org/aports/commit/?id=75ac62a44a7f9b4e5a6fb6be6691023b6048d7c7
https://git.alpinelinux.org/aports/commit/?id=30233633ab19bac97b420f322771b5a8c4d92467
https://git.alpinelinux.org/aports/commit/?id=5857b8ca03ba97ebec6fb6f2a0dff609d11b6739
https://git.alpinelinux.org/aports/commit/?id=8fe3109377cfbec22f6613be0b559e1751bd1db6
https://git.alpinelinux.org/aports/commit/?id=ac7d137df26a657916670802f270e36d52b9cdf8

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.