Out-of-bounds read in sqlite (Alpine package)

1) Out-of-bounds read

EUVDB-ID: #VU18657

Risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-8457

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

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

The vulnerability exists due to a boundary condition in rtreenode() function when handling invalid rtree tables. A remote attacker can send a specially crafted request to the application, trigger heap out-of-bounds read crash the application.

Mitigation

Install update from vendor's website.

Vulnerable software versions

sqlite (Alpine package): 3.6.15-r0 - 3.25.3-r0

sqlite (Alpine package):

CPE2.3

• cpe:2.3:o:alpine:sqlite_alpine_package:3.20.0-r0:*:*:*:*:alpine_linux:*:
• cpe:2.3:o:alpine:sqlite_alpine_package:3.22.0-r0:*:*:*:*:alpine_linux:*:
• cpe:2.3:o:alpine:sqlite_alpine_package:3.23.0-r0:*:*:*:*:alpine_linux:*:
• cpe:2.3:o:alpine:sqlite_alpine_package::*:*:*:*:alpine_linux:*:

External links

http://git.alpinelinux.org/aports/commit/?id=8fe3109377cfbec22f6613be0b559e1751bd1db6
http://git.alpinelinux.org/aports/commit/?id=1833ad9258bf53ebd1f42ccecc5bbf2696c7e19a
http://git.alpinelinux.org/aports/commit/?id=d5f87185a9e0878348a7b8340fbff4677e23d996
http://git.alpinelinux.org/aports/commit/?id=5752dce56c5b51a712767fdf310254e6782c50b7
http://git.alpinelinux.org/aports/commit/?id=77094230c4488f86ee478b67b14436d13e4cd1be
http://git.alpinelinux.org/aports/commit/?id=7dc62470b3429e2373e0f00cf13129211debf12b
http://git.alpinelinux.org/aports/commit/?id=b6ffc8832e2cf40ef3bf7ab8428d43c1350fdbf9

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.