CVE-2016-5696 Information disclosure in n/a
Medium 4.8
Published
Updated
Check this codebase for CVE-2016-5696 and fix it if it is affected.
What it is: CVE-2016-5696 is a medium-severity vulnerability in Google Android, published on 6 Aug 2016. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2016-5696 in the wild and no public exploit code.
Affected product: Google Android. No package-level version data is available, so check the vendor advisory linked from the reference page.
Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.
Reference: https://insights.sbomify.com/CVE-2016-5696/ (Markdown: https://insights.sbomify.com/CVE-2016-5696/index.md)
Remote attackers can hijack TCP sessions via blind in-window attacks due to improper challenge ACK rate limiting in the Linux kernel.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2016-5696?
CVE-2016-5696 is a medium-severity vulnerability in Google Android, published on 6 Aug 2016. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
net/ipv4/tcp_input.c in the Linux kernel before 4.7 does not properly determine the rate of challenge ACK segments, which makes it easier for remote attackers to hijack TCP sessions via a blind in-window attack.
Weakness: CWE-200
Which versions are affected by CVE-2016-5696?
It affects 3 products.
Linux distribution packages (40)
kernel Red Hat:enterprise_linux:6::client | All versions | 0:2.6.32-642.4.2.el6 |
kernel-abi-whitelists Red Hat:enterprise_linux:6::client | All versions | 0:2.6.32-642.4.2.el6 |
kernel-debug Red Hat:enterprise_linux:6::client | All versions | 0:2.6.32-642.4.2.el6 |
kernel-debug-debuginfo Red Hat:enterprise_linux:6::client | All versions | 0:2.6.32-642.4.2.el6 |
kernel-debug-devel Red Hat:enterprise_linux:6::client | All versions | 0:2.6.32-642.4.2.el6 |
kernel-debuginfo Red Hat:enterprise_linux:6::client | All versions | 0:2.6.32-642.4.2.el6 |
kernel-debuginfo-common-i686 Red Hat:enterprise_linux:6::client | All versions | 0:2.6.32-642.4.2.el6 |
kernel-debuginfo-common-x86_64 Red Hat:enterprise_linux:6::client | All versions | 0:2.6.32-642.4.2.el6 |
kernel-devel Red Hat:enterprise_linux:6::client | All versions | 0:2.6.32-642.4.2.el6 |
kernel-doc Red Hat:enterprise_linux:6::client | All versions | 0:2.6.32-642.4.2.el6 |
kernel-firmware Red Hat:enterprise_linux:6::client | All versions | 0:2.6.32-642.4.2.el6 |
kernel-headers Red Hat:enterprise_linux:6::client | All versions | 0:2.6.32-642.4.2.el6 |
perf Red Hat:enterprise_linux:6::client | All versions | 0:2.6.32-642.4.2.el6 |
perf-debuginfo Red Hat:enterprise_linux:6::client | All versions | 0:2.6.32-642.4.2.el6 |
python-perf Red Hat:enterprise_linux:6::client | All versions | 0:2.6.32-642.4.2.el6 |
python-perf-debuginfo Red Hat:enterprise_linux:6::client | All versions | 0:2.6.32-642.4.2.el6 |
kernel Red Hat:enterprise_linux:6::computenode | All versions | 0:2.6.32-642.4.2.el6 |
kernel-abi-whitelists Red Hat:enterprise_linux:6::computenode | All versions | 0:2.6.32-642.4.2.el6 |
kernel-debug Red Hat:enterprise_linux:6::computenode | All versions | 0:2.6.32-642.4.2.el6 |
kernel-debug-debuginfo Red Hat:enterprise_linux:6::computenode | All versions | 0:2.6.32-642.4.2.el6 |
kernel-debug-devel Red Hat:enterprise_linux:6::computenode | All versions | 0:2.6.32-642.4.2.el6 |
kernel-debuginfo Red Hat:enterprise_linux:6::computenode | All versions | 0:2.6.32-642.4.2.el6 |
kernel-debuginfo-common-i686 Red Hat:enterprise_linux:6::computenode | All versions | 0:2.6.32-642.4.2.el6 |
kernel-debuginfo-common-x86_64 Red Hat:enterprise_linux:6::computenode | All versions | 0:2.6.32-642.4.2.el6 |
kernel-devel Red Hat:enterprise_linux:6::computenode | All versions | 0:2.6.32-642.4.2.el6 |
kernel-doc Red Hat:enterprise_linux:6::computenode | All versions | 0:2.6.32-642.4.2.el6 |
kernel-firmware Red Hat:enterprise_linux:6::computenode | All versions | 0:2.6.32-642.4.2.el6 |
kernel-headers Red Hat:enterprise_linux:6::computenode | All versions | 0:2.6.32-642.4.2.el6 |
perf Red Hat:enterprise_linux:6::computenode | All versions | 0:2.6.32-642.4.2.el6 |
perf-debuginfo Red Hat:enterprise_linux:6::computenode | All versions | 0:2.6.32-642.4.2.el6 |
python-perf Red Hat:enterprise_linux:6::computenode | All versions | 0:2.6.32-642.4.2.el6 |
python-perf-debuginfo Red Hat:enterprise_linux:6::computenode | All versions | 0:2.6.32-642.4.2.el6 |
kernel Red Hat:enterprise_linux:6::server | All versions | 0:2.6.32-642.4.2.el6 |
kernel-abi-whitelists Red Hat:enterprise_linux:6::server | All versions | 0:2.6.32-642.4.2.el6 |
kernel-bootwrapper Red Hat:enterprise_linux:6::server | All versions | 0:2.6.32-642.4.2.el6 |
kernel-debug Red Hat:enterprise_linux:6::server | All versions | 0:2.6.32-642.4.2.el6 |
kernel-debug-debuginfo Red Hat:enterprise_linux:6::server | All versions | 0:2.6.32-642.4.2.el6 |
kernel-debug-devel Red Hat:enterprise_linux:6::server | All versions | 0:2.6.32-642.4.2.el6 |
kernel-debuginfo Red Hat:enterprise_linux:6::server | All versions | 0:2.6.32-642.4.2.el6 |
kernel-debuginfo-common-i686 Red Hat:enterprise_linux:6::server | All versions | 0:2.6.32-642.4.2.el6 |
Products include Google Android, Linux kernel, Oracle Vm Server.
How do I fix CVE-2016-5696?
Upgrade to a fixed version.
Is CVE-2016-5696 being exploited?
There is no known exploitation of CVE-2016-5696 in the wild and no public exploit code.
Public exploit code: 5 proofs of concept on GitHub.
Other vulnerabilities in Google Android
Sources
Also known as CVE-2016-5389, DEBIAN-CVE-2016-5696, GHSA-26qg-wc7f-8867, RHSA-2016:1631, RHSA-2016:1632, RHSA-2016:1633 and 4 more.