OpenSUSE Linux update for libtomcrypt



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2019-17362
CWE-ID CWE-125
Exploitation vector Network
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
 Opensuse
Operating systems & Components / Operating system

Vendor SUSE

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Out-of-bounds read

EUVDB-ID: #VU22616

Risk: Low

CVSSv4.0: 2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/U:Clear]

CVE-ID: CVE-2019-17362

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

Exploit availability: No

Description

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

The vulnerability exists due to a boundary condition within the der_decode_utf8_string() function in der_decode_utf8_string.c file in LibTomCrypt. A remote attacker can pass to the application specially crafted DER-encoded data, trigger out-of-bounds read error and cause application crash.

Mitigation

Update the affected packages.

Vulnerable software versions

Opensuse: 15.1

CPE2.3 External links

https://lists.opensuse.org/opensuse-security-announce/2019-11/msg00041.html


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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