CVE-2013-2174 Memory corruption in n/a
Remote attackers can trigger a heap buffer overflow in cURL via crafted strings, potentially causing crashes or arbitrary code execution.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2013-2174?
CVE-2013-2174 is a medium-severity memory corruption vulnerability in Canonical Ubuntu Linux, published on 31 Jul 2013. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Heap-based buffer overflow in the curl_easy_unescape function in lib/escape.c in cURL and libcurl 7.7 through 7.30.0 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted string ending in a "%" (percent) character.
Weakness: CWE-119
Which versions are affected by CVE-2013-2174?
It affects 5 products.
Linux distribution packages (19)
curl Red Hat:enterprise_linux:5::server | All versions | 0:7.15.5-17.el5_9 |
curl-debuginfo Red Hat:enterprise_linux:5::server | All versions | 0:7.15.5-17.el5_9 |
curl-devel Red Hat:enterprise_linux:5::server | All versions | 0:7.15.5-17.el5_9 |
curl Red Hat:enterprise_linux:6::client | All versions | 0:7.19.7-37.el6_4 |
curl-debuginfo Red Hat:enterprise_linux:6::client | All versions | 0:7.19.7-37.el6_4 |
libcurl Red Hat:enterprise_linux:6::client | All versions | 0:7.19.7-37.el6_4 |
libcurl-devel Red Hat:enterprise_linux:6::client | All versions | 0:7.19.7-37.el6_4 |
curl Red Hat:enterprise_linux:6::computenode | All versions | 0:7.19.7-37.el6_4 |
curl-debuginfo Red Hat:enterprise_linux:6::computenode | All versions | 0:7.19.7-37.el6_4 |
libcurl Red Hat:enterprise_linux:6::computenode | All versions | 0:7.19.7-37.el6_4 |
libcurl-devel Red Hat:enterprise_linux:6::computenode | All versions | 0:7.19.7-37.el6_4 |
curl Red Hat:enterprise_linux:6::server | All versions | 0:7.19.7-37.el6_4 |
curl-debuginfo Red Hat:enterprise_linux:6::server | All versions | 0:7.19.7-37.el6_4 |
libcurl Red Hat:enterprise_linux:6::server | All versions | 0:7.19.7-37.el6_4 |
libcurl-devel Red Hat:enterprise_linux:6::server | All versions | 0:7.19.7-37.el6_4 |
curl Red Hat:enterprise_linux:6::workstation | All versions | 0:7.19.7-37.el6_4 |
curl-debuginfo Red Hat:enterprise_linux:6::workstation | All versions | 0:7.19.7-37.el6_4 |
libcurl Red Hat:enterprise_linux:6::workstation | All versions | 0:7.19.7-37.el6_4 |
libcurl-devel Red Hat:enterprise_linux:6::workstation | All versions | 0:7.19.7-37.el6_4 |
Products include Canonical Ubuntu Linux, Haxx Curl, Haxx Libcurl, Opensuse Opensuse, Redhat Enterprise Linux.
How do I fix CVE-2013-2174?
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-2013-2174 being exploited?
There is no known exploitation of CVE-2013-2174 in the wild and no public exploit code.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as CURL-CVE-2013-2174, DEBIAN-CVE-2013-2174, DSA-2713-1, GHSA-98vv-mx5c-xg6c, MGASA-2013-0188, RHSA-2013:0983.