CVE-2019-5436
Quick assessment
Affected
curl curl
Exploitation
High exploitation probability; assess promptly
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Haxx libcurl是瑞典Haxx公司的一款开源的客户端URL传输库。该产品支持FTP、SFTP、TFTP和HTTP等协议。 Haxx libcurl 7.19.4版本至7.64.1版本中的TFTP接收代码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。
Possible ATT&CK Techniques 2 AI
T1190 · Exploit Public-Facing Application T1203 · Exploitation for Client Execution
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I. Basic Information for CVE-2019-5436
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A heap buffer overflow in the TFTP receiving code allows for DoS or arbitrary code execution in libcurl versions 7.19.4 through 7.64.1.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
堆缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
Haxx libcurl 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Haxx libcurl是瑞典Haxx公司的一款开源的客户端URL传输库。该产品支持FTP、SFTP、TFTP和HTTP等协议。 Haxx libcurl 7.19.4版本至7.64.1版本中的TFTP接收代码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
II. Public POCs for CVE-2019-5436
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Vendor Advisories for CVE-2019-5436 (7)
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https://support.f5.com/csp/article/K55133295 x_refsource_CONFIRM
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https://security.netapp.com/advisory/ntap-20190606-0004/ x_refsource_CONFIRM
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https://www.oracle.com/security-alerts/cpuoct2020.html x_refsource_MISC
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https://www.oracle.com/security-alerts/cpuapr2020.html x_refsource_MISC
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Mailing List Discussions for CVE-2019-5436 (5)
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http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00008.html vendor-advisory x_refsource_SUSE
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http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00017.html vendor-advisory x_refsource_SUSE
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https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SMG3V4VTX2SE3EW3HQTN3DDLQBTORQC2/ vendor-advisory x_refsource_FEDORA
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Other References for CVE-2019-5436 (1)
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https://curl.haxx.se/docs/CVE-2019-5436.html x_refsource_CONFIRM
IV. Related Vulnerabilities
V. Comments for CVE-2019-5436
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