CVE-2016-6878

The Curve25519 code in botan before 1.11.31, on systems without a native 128-bit integer type, might allow attackers to have unspecified impact via vectors…

published April 10, 2017

CVSS
—
EPSS
1%
Percentile
68.6
In the wild
Unconfirmed
What it is

⚠️ A sneaky flaw in the Curve25519 code could lead to undefined behavior on certain systems, which is like a roller coaster without safety checks — exciting but definitely risky! Think of it like a car engine running on the wrong fuel — it might still run, but you never know when it could sputter or stall unpredictably. In this case, we have 32-bit ARM systems compiled by Clang that could experience bizarre outcomes if they encounter this vulnerability. Though no known exploits are currently reported, the potential for unforeseen consequences is concerning. An attacker could leverage this flaw to introduce instability or unpredictable behavior in systems using the Botan library, which could lead to compromised security or functionality.

Put simply

Think of it like a car engine running on the wrong fuel — it might still run, but you never know when it could sputter or stall unpredictably. In this case, we have 32-bit ARM systems compiled by Clang that could experience bizarre outcomes if they encounter this vulnerability. CVE-2016-6878 involves the Curve25519 implementation in Botan versions prior to 1.11.31, where the absence of a native 128-bit integer type on certain systems might lead to undefined behavior, particularly on 32-bit ARM systems compiled with Clang.

What to do

Though no known exploits are currently reported, the potential for unforeseen consequences is concerning. An attacker could leverage this flaw to introduce instability or unpredictable behavior in systems using the Botan library, which could lead to compromised security or functionality. To mitigate this issue, make sure to update to Botan version 1.11.31 or later. If you're using older versions, review your system architecture to check for compatibility issues with 128-bit integer types. Regularly audit your libraries for updates to keep your applications safe. You can tackle this! Update that Botan library, and you'll be well on your way to securing your systems! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01232 · 68.6th percentile
Published
2017-04-10T15:00Z
EPSS history
Timeline
  • 10 APR 15:00Z
    The Curve25519 code in botan before 1.11.31, on systems without a native 128-bit integer type, might allow attackers to have unspecified impact via vectors…
    cvelistv5