CVE-2019-5436
What it is
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.
At a glance
- Exploitability
- Can be exploited locally on the machine with a low-privilege account. High risk of data exposure, data tampering, service disruption.
- Exploit odds
- 49.7% chance of exploitation in the next 30 days (EPSS). Higher than most.
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 49.7% in the next 30 days (EPSS).
- Severity: 7.8 HIGH (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 49.7% · EPSS, next 30 days
- Weakness
- CWE-122
- Record status
- Modified
Affected
- Haxx Libcurl ≤ 7.64.1
- Opensuse Leap 15.0
- Opensuse Leap 15.1
- Opensuse Leap 42.3
- Fedoraproject Fedora 29
- Debian Linux 9.0
- Debian Linux 10.0
- f5 Traffix Signaling Delivery Controller ≤ 5.1.0
Attack profile CVSS 3.1 · 7.8
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Raw vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2019-5436.md and follow it. Check whether this project is affected by CVE-2019-5436. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- http://www.openwall.com/lists/oss-security/2019/09/11/6
- https://curl.haxx.se/docs/CVE-2019-5436.html
- https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html
- http://www.openwall.com/lists/oss-security/2019/09/11/6
- https://curl.haxx.se/docs/CVE-2019-5436.html
- https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html
References
- http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00008.html
- http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00017.html
- http://www.openwall.com/lists/oss-security/2019/09/11/6
- https://curl.haxx.se/docs/CVE-2019-5436.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SMG3V4VTX2SE3EW3HQTN3DDLQBTORQC2/
- https://seclists.org/bugtraq/2020/Feb/36
- https://security.gentoo.org/glsa/202003-29
- https://security.netapp.com/advisory/ntap-20190606-0004/
- https://support.f5.com/csp/article/K55133295
- https://support.f5.com/csp/article/K55133295?utm_source=f5support&%3Butm_medium=RSS
- https://www.debian.org/security/2020/dsa-4633
- https://www.oracle.com/security-alerts/cpuapr2020.html
- https://www.oracle.com/security-alerts/cpuoct2020.html
- https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html
- http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00008.html
- http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00017.html
- http://www.openwall.com/lists/oss-security/2019/09/11/6
- https://curl.haxx.se/docs/CVE-2019-5436.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SMG3V4VTX2SE3EW3HQTN3DDLQBTORQC2/
- https://seclists.org/bugtraq/2020/Feb/36
- https://security.gentoo.org/glsa/202003-29
- https://security.netapp.com/advisory/ntap-20190606-0004/
- https://support.f5.com/csp/article/K55133295
- https://support.f5.com/csp/article/K55133295?utm_source=f5support&%3Butm_medium=RSS
- https://www.debian.org/security/2020/dsa-4633