OSV-2020-930 Use-of-uninitialized-value in std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<ch
An attacker can cause a denial of service in applications using the PcapPlusPlus library by sending malformed DNS queries that trigger the use of uninitialized memory.
- 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-2020-930?
OSV-2020-930 is a memory corruption 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=22087
Crash type: Use-of-uninitialized-value
Crash state:
std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<ch
pcpp::IDnsResource::IDnsResource
pcpp::DnsQuery::DnsQuery
Which versions are affected by OSV-2020-930?
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-2020-930?
No fix has been published for OSV-2020-930 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is OSV-2020-930 being exploited?
There is no known exploitation of OSV-2020-930 in the wild and no public exploit code.