CVE-2018-6948 Memory corruption in n/a
A buffer overflow in CCN-lite allows attackers to execute arbitrary code or cause denial of service by sending crafted NFN-R2C packets when NFN is enabled.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2018-6948?
CVE-2018-6948 is a critical memory corruption vulnerability in n/a, published on 13 Feb 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
In CCN-lite 2, the function ccnl_prefix_to_str_detailed can cause a buffer overflow, when writing a prefix to the buffer buf. The maximal size of the prefix is CCNL_MAX_PREFIX_SIZE; the buffer has the size CCNL_MAX_PREFIX_SIZE. However, when NFN is enabled, additional characters are written to the buffer (e.g., the "NFN" and "R2C" tags). Therefore, sending an NFN-R2C packet with a prefix of size CCNL_MAX_PREFIX_SIZE can cause an overflow of buf inside ccnl_prefix_to_str_detailed.
Weakness: CWE-119
Which versions are affected by CVE-2018-6948?
It affects 1 product.
Products include Ccn-Lite Ccn-Lite.
How do I fix CVE-2018-6948?
No fix has been published for CVE-2018-6948 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-2018-6948 being exploited?
There is no known exploitation of CVE-2018-6948 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-2018-6953 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
- CVE-2017-12466 Memory corruption in n/a
Sources
Also known as GHSA-mv8v-xw3m-x43j.