SUSE update for oniguruma

1) Out-of-bounds write

EUVDB-ID: #VU47647

Risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-26159

CWE-ID: CWE-787 - Out-of-bounds write

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

In Oniguruma 6.9.5_rev1, an attacker able to supply a regular expression for compilation may be able to overflow a buffer by one byte in concat_opt_exact_str in src/regcomp.c .

Mitigation

Update the affected package oniguruma to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Software Development Kit 12: SP5

SUSE Linux Enterprise Server for SAP Applications 12: SP5

SUSE Linux Enterprise Server 12: SP5

SUSE Linux Enterprise High Performance Computing 12: SP5

libonig2-debuginfo: before 5.9.2-13.6.1

libonig2: before 5.9.2-13.6.1

oniguruma-devel: before 5.9.2-13.6.1

oniguruma-debugsource: before 5.9.2-13.6.1

CPE2.3

• cpe:2.3:o:suse:suse_linux_enterprise_software_development_kit_12:SP5:*:*:*:*:*:*:
• cpe:2.3:o:suse:suse_linux_enterprise_server_for_sap_applications_12:SP5:*:*:*:*:*:*:
• cpe:2.3:o:suse:suse_linux_enterprise_server_12:SP5:*:*:*:*:*:*:
• cpe:2.3:o:suse:suse_linux_enterprise_high_performance_computing_12:SP5:*:*:*:*:*:*:
• cpe:2.3:o:suse:libonig2-debuginfo:*:*:*:*:*:suse_linux:*:
• cpe:2.3:o:suse:libonig2:*:*:*:*:*:suse_linux:*:
• cpe:2.3:o:suse:oniguruma-devel:*:*:*:*:*:suse_linux:*:
• cpe:2.3:o:suse:oniguruma-debugsource:*:*:*:*:*:suse_linux:*:

External links

http://www.suse.com/support/update/announcement/2024/suse-su-20242993-1/

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.