CVE-2013-0249 Memory corruption in n/a
Remote attackers can cause denial of service or execute arbitrary code via a stack-based buffer overflow in curl's SASL DIGEST-MD5 authentication handling.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2013-0249?
CVE-2013-0249 is a high-severity memory corruption vulnerability in Canonical Ubuntu Linux, published on 8 Mar 2013. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Stack-based buffer overflow in the Curl_sasl_create_digest_md5_message function in lib/curl_sasl.c in curl and libcurl 7.26.0 through 7.28.1, when negotiating SASL DIGEST-MD5 authentication, allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a long string in the realm parameter in a (1) POP3, (2) SMTP or (3) IMAP message.
Weakness: CWE-119
Which versions are affected by CVE-2013-0249?
It affects 3 products.
Products include Canonical Ubuntu Linux, Haxx Curl, Haxx Libcurl.
How do I fix CVE-2013-0249?
Upgrade to a fixed version.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2013-0249 being exploited?
There is no known exploitation of CVE-2013-0249 in the wild and no public exploit code.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as CURL-CVE-2013-0249, DEBIAN-CVE-2013-0249, GHSA-mj69-wpmp-9c9f.