CVE-2019-5436
curl: TFTP receive heap buffer overflow in tftp_receive_packet() function
Severity Score
7.8
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
1
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
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.
Un desbordamiento de búfer en la memoria dinámica (heap) del código de recepción TFTP, permite la ejecución de código arbitrario o una Denegación de Servicio (DoS) en las versiones de libcurl 7.19.4 hasta 7.64.1.
Wenchao Li discovered that curl incorrectly handled memory in the curl_url_set function. A remote attacker could use this issue to cause curl to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 19.04. It was discovered that curl incorrectly handled memory when receiving data from a TFTP server. A remote attacker could use this issue to cause curl to crash, resulting in a denial of service, or possibly execute arbitrary code. Various other issues were also addressed.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2019-01-04 CVE Reserved
- 2019-05-22 CVE Published
- 2024-08-04 CVE Updated
- 2024-08-04 First Exploit
- 2025-05-04 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
CWE
- CWE-122: Heap-based Buffer Overflow
- CWE-787: Out-of-bounds Write
CAPEC
References (16)
| URL | Tag | Source |
|---|---|---|
| https://seclists.org/bugtraq/2020/Feb/36 | Mailing List |
|
| https://security.netapp.com/advisory/ntap-20190606-0004 | Third Party Advisory |
|
| https://support.f5.com/csp/article/K55133295 | Third Party Advisory | |
| https://support.f5.com/csp/article/K55133295?utm_source=f5support&%3Butm_medium=RSS | X_refsource_confirm | |
| https://www.oracle.com/security-alerts/cpuapr2020.html | Third Party Advisory |
|
| https://www.oracle.com/security-alerts/cpuoct2020.html | X_refsource_misc |
|
| URL | Date | SRC |
|---|---|---|
| https://curl.haxx.se/docs/CVE-2019-5436.html | 2024-08-04 |
| URL | Date | SRC |
|---|---|---|
| http://www.openwall.com/lists/oss-security/2019/09/11/6 | 2023-11-07 | |
| https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html | 2023-11-07 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Haxx Search vendor "Haxx" | Libcurl Search vendor "Haxx" for product "Libcurl" | >= 7.19.4 <= 7.64.1 Search vendor "Haxx" for product "Libcurl" and version " >= 7.19.4 <= 7.64.1" | - |
Affected
| ||||||
| Opensuse Search vendor "Opensuse" | Leap Search vendor "Opensuse" for product "Leap" | 15.0 Search vendor "Opensuse" for product "Leap" and version "15.0" | - |
Affected
| ||||||
| Opensuse Search vendor "Opensuse" | Leap Search vendor "Opensuse" for product "Leap" | 15.1 Search vendor "Opensuse" for product "Leap" and version "15.1" | - |
Affected
| ||||||
| Opensuse Search vendor "Opensuse" | Leap Search vendor "Opensuse" for product "Leap" | 42.3 Search vendor "Opensuse" for product "Leap" and version "42.3" | - |
Affected
| ||||||
| Fedoraproject Search vendor "Fedoraproject" | Fedora Search vendor "Fedoraproject" for product "Fedora" | 29 Search vendor "Fedoraproject" for product "Fedora" and version "29" | - |
Affected
| ||||||
| Debian Search vendor "Debian" | Debian Linux Search vendor "Debian" for product "Debian Linux" | 9.0 Search vendor "Debian" for product "Debian Linux" and version "9.0" | - |
Affected
| ||||||
| Debian Search vendor "Debian" | Debian Linux Search vendor "Debian" for product "Debian Linux" | 10.0 Search vendor "Debian" for product "Debian Linux" and version "10.0" | - |
Affected
| ||||||
| F5 Search vendor "F5" | Traffix Signaling Delivery Controller Search vendor "F5" for product "Traffix Signaling Delivery Controller" | >= 5.0.0 <= 5.1.0 Search vendor "F5" for product "Traffix Signaling Delivery Controller" and version " >= 5.0.0 <= 5.1.0" | - |
Affected
| ||||||
| Netapp Search vendor "Netapp" | Hci Management Node Search vendor "Netapp" for product "Hci Management Node" | - | - |
Affected
| ||||||
| Netapp Search vendor "Netapp" | Solidfire Search vendor "Netapp" for product "Solidfire" | - | - |
Affected
| ||||||
| Netapp Search vendor "Netapp" | Steelstore Cloud Integrated Storage Search vendor "Netapp" for product "Steelstore Cloud Integrated Storage" | - | - |
Affected
| ||||||
| Oracle Search vendor "Oracle" | Enterprise Manager Ops Center Search vendor "Oracle" for product "Enterprise Manager Ops Center" | 12.3.3 Search vendor "Oracle" for product "Enterprise Manager Ops Center" and version "12.3.3" | - |
Affected
| ||||||
| Oracle Search vendor "Oracle" | Enterprise Manager Ops Center Search vendor "Oracle" for product "Enterprise Manager Ops Center" | 12.4.0 Search vendor "Oracle" for product "Enterprise Manager Ops Center" and version "12.4.0" | - |
Affected
| ||||||
| Oracle Search vendor "Oracle" | Mysql Server Search vendor "Oracle" for product "Mysql Server" | <= 5.7.27 Search vendor "Oracle" for product "Mysql Server" and version " <= 5.7.27" | - |
Affected
| ||||||
| Oracle Search vendor "Oracle" | Mysql Server Search vendor "Oracle" for product "Mysql Server" | >= 5.7.28 <= 8.0.17 Search vendor "Oracle" for product "Mysql Server" and version " >= 5.7.28 <= 8.0.17" | - |
Affected
| ||||||
| Oracle Search vendor "Oracle" | Oss Support Tools Search vendor "Oracle" for product "Oss Support Tools" | 20.0 Search vendor "Oracle" for product "Oss Support Tools" and version "20.0" | - |
Affected
| ||||||