CRITICAL · 9.1

CVE-2019-17362

In LibTomCrypt through 1.18.2, the der_decode_utf8_string function (in der_decode_utf8_string.c) does not properly detect certain invalid UTF-8 sequences. This allows context-dependent attackers to ca...

Vulnerability Description

In LibTomCrypt through 1.18.2, the der_decode_utf8_string function (in der_decode_utf8_string.c) does not properly detect certain invalid UTF-8 sequences. This allows context-dependent attackers to cause a denial of service (out-of-bounds read and crash) or read information from other memory locations via carefully crafted DER-encoded data.

CVSS Score

9.1

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
HIGH

Affected Products

VendorProductVersions
LibtomLibtomcrypt<= 1.18.2
DebianDebian Linux8.0

Related Weaknesses (CWE)

References

FAQ

What is CVE-2019-17362?

CVE-2019-17362 is a vulnerability with a CVSS score of 9.1 (CRITICAL). In LibTomCrypt through 1.18.2, the der_decode_utf8_string function (in der_decode_utf8_string.c) does not properly detect certain invalid UTF-8 sequences. This allows context-dependent attackers to ca...

How severe is CVE-2019-17362?

CVE-2019-17362 has been rated CRITICAL with a CVSS base score of 9.1/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2019-17362?

Check the references section above for vendor advisories and patch information. Affected products include: Libtom Libtomcrypt, Debian Debian Linux.