CVE-2017-6949 Integer overflow in n/a
Attackers can trigger a buffer overflow or segfault in CHICKEN Scheme by exploiting unsanitized vector size arguments in unmanaged memory allocation.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2017-6949?
CVE-2017-6949 is a high-severity vulnerability in n/a, published on 16 Mar 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An issue was discovered in CHICKEN Scheme through 4.12.0. When using a nonstandard CHICKEN-specific extension to allocate an SRFI-4 vector in unmanaged memory, the vector size would be used in unsanitised form as an argument to malloc(). With an unexpected size, the impact may have been a segfault or buffer overflow.
Weakness: CWE-119
Which versions are affected by CVE-2017-6949?
It affects 1 product.
Products include Call-Cc Chicken.
How do I fix CVE-2017-6949?
Apply the vendor's patch.
Is CVE-2017-6949 being exploited?
There is no known exploitation of CVE-2017-6949 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as CLEANSTART-2023-LZ34592, DEBIAN-CVE-2017-6949, DLA-908-1, GHSA-mg7g-v2j9-85r8, UBUNTU-CVE-2017-6949.