SUSE update for openssl-1_1



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2022-0778
CWE-ID CWE-835
Exploitation vector Network
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
SUSE Linux Enterprise Micro
Operating systems & Components / Operating system

zlib-debugsource
Operating systems & Components / Operating system package or component

openssl-1_1-debugsource
Operating systems & Components / Operating system package or component

openssl-1_1-debuginfo
Operating systems & Components / Operating system package or component

openssl-1_1
Operating systems & Components / Operating system package or component

libz1-debuginfo
Operating systems & Components / Operating system package or component

libz1
Operating systems & Components / Operating system package or component

libxcrypt-debugsource
Operating systems & Components / Operating system package or component

libopenssl1_1-hmac
Operating systems & Components / Operating system package or component

libopenssl1_1-debuginfo
Operating systems & Components / Operating system package or component

libopenssl1_1
Operating systems & Components / Operating system package or component

libopenssl-1_1-devel
Operating systems & Components / Operating system package or component

libcrypt1-debuginfo
Operating systems & Components / Operating system package or component

libcrypt1
Operating systems & Components / Operating system package or component

glibc-locale-base-debuginfo
Operating systems & Components / Operating system package or component

glibc-locale-base
Operating systems & Components / Operating system package or component

glibc-locale
Operating systems & Components / Operating system package or component

glibc-debugsource
Operating systems & Components / Operating system package or component

glibc-debuginfo
Operating systems & Components / Operating system package or component

glibc
Operating systems & Components / Operating system package or component

Vendor SUSE

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Infinite loop

EUVDB-ID: #VU61391

Risk: Medium

CVSSv4.0: 7.7 [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:P/U:Green]

CVE-ID: CVE-2022-0778

CWE-ID: CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')

Exploit availability: Yes

Description

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

The vulnerability exists due to infinite loop within the BN_mod_sqrt() function when processing an ASN.1 certificate that contains elliptic curve public keys in compressed form or explicit elliptic curve parameters with a base point encoded in compressed form. A remote attacker can supply a specially crafted certificate to the TLS server or client, consume all available system resources and cause denial of service conditions.

Mitigation

Update the affected package openssl-1_1 to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Micro: 5.2

zlib-debugsource: before 1.2.11-3.26.10

openssl-1_1-debugsource: before 1.1.1d-11.43.1

openssl-1_1-debuginfo: before 1.1.1d-11.43.1

openssl-1_1: before 1.1.1d-11.43.1

libz1-debuginfo: before 1.2.11-3.26.10

libz1: before 1.2.11-3.26.10

libxcrypt-debugsource: before 4.4.15-150300.4.2.41

libopenssl1_1-hmac: before 1.1.1d-11.43.1

libopenssl1_1-debuginfo: before 1.1.1d-11.43.1

libopenssl1_1: before 1.1.1d-11.43.1

libopenssl-1_1-devel: before 1.1.1d-11.43.1

libcrypt1-debuginfo: before 4.4.15-150300.4.2.41

libcrypt1: before 4.4.15-150300.4.2.41

glibc-locale-base-debuginfo: before 2.31-150300.20.7

glibc-locale-base: before 2.31-150300.20.7

glibc-locale: before 2.31-150300.20.7

glibc-debugsource: before 2.31-150300.20.7

glibc-debuginfo: before 2.31-150300.20.7

glibc: before 2.31-150300.20.7

CPE2.3 External links

https://www.suse.com/support/update/announcement/2022/suse-su-20220861-1/


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. However, proof of concept for this vulnerability is available.



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