CVE-2018-6480 Memory corruption in n/a
A type confusion in CCN-lite causes memory access violations and nonce failures, potentially leading to denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2018-6480?
CVE-2018-6480 is a high-severity memory corruption vulnerability in n/a, published on 31 Jan 2018. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
A type confusion issue was discovered in CCN-lite 2, leading to a memory access violation and a failure of the nonce feature (which, for example, helped with loop prevention). ccnl_fwd_handleInterest assumes that the union member s is of type ccnl_pktdetail_ndntlv_s. However, if the type is in fact struct ccnl_pktdetail_ccntlv_s or struct ccnl_pktdetail_iottlv_s, the memory at that point is either uninitialised or points to data that is not a nonce, which renders the code using the local variable nonce pointless. A later nonce check is insufficient.
Weakness: CWE-704
Which versions are affected by CVE-2018-6480?
It affects 1 product.
Products include Ccn-Lite Ccn-Lite.
How do I fix CVE-2018-6480?
No fix has been published for CVE-2018-6480 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 CVE-2018-6480 being exploited?
There is no known exploitation of CVE-2018-6480 in the wild and no public exploit code.
Other vulnerabilities in n/a
- CVE-2018-12889 Memory corruption in n/a
- CVE-2018-7039 Integer overflow in n/a
- CVE-2018-6948 Memory corruption in n/a
- CVE-2018-6953 Memory corruption in n/a
- CVE-2017-12465 Multiple integer overflows in CCN-lite before 2.00 allow context-dependent attackers to have unspecified impact via vectors involving the (1
Sources
Also known as GHSA-678v-754j-47w8.