NULL pointer dereference in OpenSSL - CVE-2015-3194

 

NULL pointer dereference in OpenSSL - CVE-2015-3194

Published: June 20, 2023


Vulnerability identifier: #VU77550
CSH Severity: Medium
CVSS v4: 8.7 [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]
CVE-ID: CVE-2015-3194
CWE-ID: CWE-476
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

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

The vulnerability exists due to a NULL pointer dereference error in crypto/rsa/rsa_ameth.c in OpenSSL. A remote attacker can trigger denial of service conditions via an RSA PSS ASN.1 signature that lacks a mask generation function parameter.


Affected software

OpenSSL
FlashSystem 840 9840-AE1 & 9843-AE1
SnapDrive for Unix
SnapDrive for Windows
Integrated Management Module II (IMM2)
Fedora
Slackware Linux
openssl
openssl-solibs
openssl101e
FlashSystem 900 9840-AE2 and 9843-AE2
FOS Firmware
IBM BladeCenter Advanced Management Module
IBM Cloud Pak for Business Automation

How to mitigate CVE-2015-3194

Cybersecurity Help is currently unaware of any official solution to address this vulnerability..

OpenSSL - update to 1.0.1q
SnapDrive for Unix - update to 5.3.1
SnapDrive for Windows - update to 7.1.4
openssl - addressed in versions 0.9.8zh, 1.0.1q
openssl-solibs - addressed in versions 0.9.8zh, 1.0.1q
Integrated Management Module II (IMM2) - update to 1aoo72h-5.60
openssl101e - update to 1.0.1e-5.el5
openssl - addressed in versions 1.0.1k-13.fc22, 1.0.2e-1.fc23
FlashSystem 900 9840-AE2 and 9843-AE2 - addressed in versions 1.2.1.9, 1.3.0.5, 1.4.0.10
IBM BladeCenter Advanced Management Module - update to 3.66u
FOS Firmware - update to 7.4.1c
IBM Cloud Pak for Business Automation - addressed in versions 21.0.3-IF037, 24.0.0-IF003

External References

Related Security Bulletins