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CVE-2019-16748

Quick assessment

Affected
n/a n/a
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

wolfSSL（前称CyaSSL）是美国wolfSSL公司的一个针对嵌入式系统开发人员使用的小的、可移植的嵌入式SSL编程库。 wolfSSL 4.1.0及之前版本中的wolfcrypt/src/asn.c文件的‘CheckCertSignature_ex’函数存在缓冲区错误漏洞。该漏洞源于网络系统或产品在内存上执行操作时，未正确验证数据边界，导致向关联的其他内存位置上执行了错误的读写操作。攻击者可利用该漏洞导致缓冲区溢出或堆溢出等。

AI Predicted 7.5 Difficulty: Easy EPSS 1.15% · P66

Possible ATT&CK Techniques 1 AI

T1210 · Exploitation of Remote Services
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I. Basic Information for CVE-2019-16748

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
In wolfSSL through 4.1.0, there is a missing sanity check of memory accesses in parsing ASN.1 certificate data while handshaking. Specifically, there is a one-byte heap-based buffer over-read in CheckCertSignature_ex in wolfcrypt/src/asn.c.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
wolfSSL 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
wolfSSL（前称CyaSSL）是美国wolfSSL公司的一个针对嵌入式系统开发人员使用的小的、可移植的嵌入式SSL编程库。 wolfSSL 4.1.0及之前版本中的wolfcrypt/src/asn.c文件的‘CheckCertSignature_ex’函数存在缓冲区错误漏洞。该漏洞源于网络系统或产品在内存上执行操作时，未正确验证数据边界，导致向关联的其他内存位置上执行了错误的读写操作。攻击者可利用该漏洞导致缓冲区溢出或堆溢出等。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
- n/a n/a -

II. Public POCs for CVE-2019-16748

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III. Intelligence Information for CVE-2019-16748

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Other References for CVE-2019-16748 (1)

Same Patch Batch · n/a · 2019-09-24 · 27 CVEs total

CVE-2019-5094 7.5 HIGH E2fsprogs 缓冲区错误漏洞
CVE-2019-16728 DOMPurify 跨站脚本漏洞
CVE-2019-13528 Niagara AX和Niagara 授权问题漏洞
CVE-2019-16729 pam-python 安全漏洞
CVE-2019-16746 Linux kernel 缓冲区错误漏洞
CVE-2018-9090 Red Hat CoreOS Tectonic 跨站脚本漏洞
CVE-2019-13357 Total Defense Anti-virus 代码问题漏洞
CVE-2019-13356 Total Defense Anti-virus 安全漏洞
CVE-2019-13355 Total Defense Anti-virus 安全漏洞
CVE-2019-16383 Progress Software MOVEit Transfer SQL注入漏洞
CVE-2019-14753 Sick FX0-GPNT00000和FX0-GENT00000 安全漏洞
CVE-2019-16751 Devise Token Auth 跨站脚本漏洞
CVE-2019-16754 RIOT RIOT-OS 代码问题漏洞
CVE-2019-14238 STMicroelectronics STM32F7 授权问题漏洞
CVE-2019-14239 NXP Semiconductors NXP Kinetis KV1x、Kinetis KV3x和Kinetis K8x 授权问题漏洞
CVE-2019-15699 Suricata 缓冲区错误漏洞
CVE-2019-16411 Suricata 缓冲区错误漏洞
CVE-2019-16410 Suricata 缓冲区错误漏洞
CVE-2019-5504 NetApp ONTAP Select Deploy administration utility 输入验证错误漏洞
CVE-2019-5505 NetApp ONTAP Select Deploy administration utility 安全漏洞

Showing top 20 of 27 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: n/a
Same vendor: n/a

V. Comments for CVE-2019-16748

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