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.
References (9)
Core 9
Core References
Vendor Advisory vendor-advisory
x_refsource_redhat
http://rhn.redhat.com/errata/RHSA-2013-0983.html
Vendor Advisory x_refsource_confirm
http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
Vendor Advisory x_refsource_confirm
http://www.oracle.com/technetwork/topics/security/cpujul2015-2367936.html
Mailing List vendor-advisory
x_refsource_suse
http://lists.opensuse.org/opensuse-updates/2013-07/msg00013.html
Exploit, Patch x_refsource_confirm
https://github.com/bagder/curl/commit/192c4f788d48f82c03e9cef40013f34370e90737
Third Party Advisory, VDB Entry vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/60737
Vendor Advisory vendor-advisory
x_refsource_ubuntu
http://www.ubuntu.com/usn/USN-1894-1
Third Party Advisory vendor-advisory
x_refsource_debian
http://www.debian.org/security/2013/dsa-2713
Vendor Advisory x_refsource_confirm
http://curl.haxx.se/docs/adv_20130622.html
Scores
EPSS
0.0318
EPSS Percentile
87.0%
Details
CWE
CWE-119
Status
published
Products (50)
canonical/ubuntu_linux
10.04
canonical/ubuntu_linux
12.04
canonical/ubuntu_linux
12.10
canonical/ubuntu_linux
13.04
haxx/curl
7.7
haxx/curl
7.7.1
haxx/curl
7.7.2
haxx/curl
7.7.3
haxx/curl
7.8
haxx/curl
7.8.1
... and 40 more
Published
Jul 31, 2013
Tracked Since
Feb 18, 2026