Vulnerability Monitor

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CVE-2019-5436

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.

Security Impact Summary

This vulnerability carries a HIGH severity rating with a CVSS v3.1 score of 7.8, requiring local system access to exploit with relatively low complexity without requiring user interaction requiring only low-level privileges . The vulnerability impacts confidentiality (data exposure), integrity (unauthorized modifications), and availability (service disruption) for affected systems. Impacting 11 products from haxx, from opensuse, from fedoraproject and 8 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

First disclosed in 2019, this vulnerability was reported during a period defined by widespread IoT adoption challenges, mobile security concerns, and the emergence of advanced persistent threat (APT) techniques. Contemporary mitigation strategies focused on secure development practices and third-party component vetting.

Published

2019-05-28T19:29:06.127

Last Modified

2024-11-21T04:44:55.937

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.8 (HIGH)

CVSSv2 Vector

AV:L/AC:L/Au:N/C:P/I:P/A:P

Access Vector: LOCAL
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

3.9

Impact Score

6.4

Weaknesses

Type: Secondary
CWE-122
Type: Primary
CWE-787

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	haxx	libcurl	≤ 7.64.1	Yes
Operating System	opensuse	leap	15.0	Yes
Operating System	opensuse	leap	15.1	Yes
Operating System	opensuse	leap	42.3	Yes
Operating System	fedoraproject	fedora	29	Yes
Operating System	debian	debian_linux	9.0	Yes
Operating System	debian	debian_linux	10.0	Yes
Application	f5	traffix_signaling_delivery_controller	≤ 5.1.0	Yes
Application	netapp	hci_management_node	-	Yes
Application	netapp	solidfire	-	Yes
Application	netapp	steelstore_cloud_integrated_storage	-	Yes
Application	oracle	enterprise_manager_ops_center	12.3.3	Yes
Application	oracle	enterprise_manager_ops_center	12.4.0	Yes
Application	oracle	mysql_server	≤ 5.7.27	Yes
Application	oracle	mysql_server	≤ 8.0.17	Yes
Application	oracle	oss_support_tools	20.0	Yes

References

http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00008.html Mailing List, Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00017.html Mailing List, Third Party Advisory ([email protected])
http://www.openwall.com/lists/oss-security/2019/09/11/6 Mailing List, Patch, Third Party Advisory ([email protected])
https://curl.haxx.se/docs/CVE-2019-5436.html Exploit, Patch, Vendor Advisory ([email protected])
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SMG3V4VTX2SE3EW3HQTN3DDLQBTORQC2/ ([email protected])
https://seclists.org/bugtraq/2020/Feb/36 Mailing List, Third Party Advisory ([email protected])
https://security.gentoo.org/glsa/202003-29 Third Party Advisory ([email protected])
https://security.netapp.com/advisory/ntap-20190606-0004/ Third Party Advisory ([email protected])
https://support.f5.com/csp/article/K55133295 Third Party Advisory ([email protected])
https://support.f5.com/csp/article/K55133295?utm_source=f5support&amp%3Butm_medium=RSS ([email protected])
https://www.debian.org/security/2020/dsa-4633 Third Party Advisory ([email protected])
https://www.oracle.com/security-alerts/cpuapr2020.html Third Party Advisory ([email protected])
https://www.oracle.com/security-alerts/cpuoct2020.html ([email protected])
https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html Patch, Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00008.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00017.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2019/09/11/6 Mailing List, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://curl.haxx.se/docs/CVE-2019-5436.html Exploit, Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SMG3V4VTX2SE3EW3HQTN3DDLQBTORQC2/ (af854a3a-2127-422b-91ae-364da2661108)
https://seclists.org/bugtraq/2020/Feb/36 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://security.gentoo.org/glsa/202003-29 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://security.netapp.com/advisory/ntap-20190606-0004/ Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://support.f5.com/csp/article/K55133295 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://support.f5.com/csp/article/K55133295?utm_source=f5support&amp%3Butm_medium=RSS (af854a3a-2127-422b-91ae-364da2661108)
https://www.debian.org/security/2020/dsa-4633 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.oracle.com/security-alerts/cpuapr2020.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.oracle.com/security-alerts/cpuoct2020.html (af854a3a-2127-422b-91ae-364da2661108)
https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For haxx's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.