CVE-2017-9729 Denial of service in n/a
Attackers can cause denial of service via stack exhaustion in uClibc by submitting crafted regular expressions to applications using the library.
- 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-2017-9729?
CVE-2017-9729 is a high-severity denial of service vulnerability in n/a, published on 16 Jun 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
In uClibc 0.9.33.2, there is stack exhaustion (uncontrolled recursion) in the check_dst_limits_calc_pos_1 function in misc/regex/regexec.c when processing a crafted regular expression.
Weakness: CWE-674
Which versions are affected by CVE-2017-9729?
It affects 1 product.
Products include Uclibc Uclibc.
How do I fix CVE-2017-9729?
No fix has been published for CVE-2017-9729 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2017-9729 being exploited?
There is no known exploitation of CVE-2017-9729 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2017-9729, GHSA-c2v6-69qq-j8h4.