OSV-2020-1202 Use-of-uninitialized-value in pcpp::NullLoopbackLayer::parseNextLayer
An attacker can cause a denial of service by sending crafted packets that trigger the use of uninitialized values in the packet parser.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is OSV-2020-1202?
OSV-2020-1202 is an use after free vulnerability in pcapplusplus, published on 22 Jul 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=22831
Crash type: Use-of-uninitialized-value
Crash state:
pcpp::NullLoopbackLayer::parseNextLayer
pcpp::Packet::setRawPacket
pcpp::Packet::Packet
Which versions are affected by OSV-2020-1202?
1 open source package ship an affected version, including pcapplusplus.
| Package | Affected | Fixed in |
|---|---|---|
pcapplusplus OSS-Fuzz | All versions | None |
How do I fix OSV-2020-1202?
No fix has been published for OSV-2020-1202 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is OSV-2020-1202 being exploited?
There is no known exploitation of OSV-2020-1202 in the wild and no public exploit code.