medium
6.8
CWE
119
Advisory Published
Updated

CVE-2013-2174: Buffer Overflow

First published: Wed Jul 31 2013(Updated: )

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.

Credit: secalert@redhat.com

Affected SoftwareAffected VersionHow to fix
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
Haxx Curl=7.9
Haxx Curl=7.9.1
Haxx Curl=7.9.2
Haxx Curl=7.9.3
Haxx Curl=7.9.4
Haxx Curl=7.9.5
Haxx Curl=7.9.6
Haxx Curl=7.9.7
Haxx Curl=7.9.8
Haxx Curl=7.10
Haxx Curl=7.10.1
Haxx Curl=7.10.2
Haxx Curl=7.10.3
Haxx Curl=7.10.4
Haxx Curl=7.10.5
Haxx Curl=7.10.6
Haxx Curl=7.10.7
Haxx Curl=7.10.8
Haxx Curl=7.11.0
Haxx Curl=7.11.1
Haxx Curl=7.11.2
Haxx Curl=7.12.0
Haxx Curl=7.12.1
Haxx Curl=7.12.2
Haxx Curl=7.12.3
Haxx Curl=7.13.0
Haxx Curl=7.13.1
Haxx Curl=7.13.2
Haxx Curl=7.14.0
Haxx Curl=7.14.1
Haxx Curl=7.15.0
Haxx Curl=7.15.1
Haxx Curl=7.15.2
Haxx Curl=7.15.3
Haxx Curl=7.15.4
Haxx Curl=7.15.5
Haxx Curl=7.16.0
Haxx Curl=7.16.1
Haxx Curl=7.16.2
Haxx Curl=7.16.3
Haxx Curl=7.16.4
Haxx Curl=7.17.0
Haxx Curl=7.17.1
Haxx Curl=7.18.0
Haxx Curl=7.18.1
Haxx Curl=7.18.2
Haxx Curl=7.19.0
Haxx Curl=7.19.1
Haxx Curl=7.19.2
Haxx Curl=7.19.3
Haxx Curl=7.19.4
Haxx Curl=7.19.5
Haxx Curl=7.19.6
Haxx Curl=7.19.7
Haxx Curl=7.20.0
Haxx Curl=7.20.1
Haxx Curl=7.21.0
Haxx Curl=7.21.1
Haxx Curl=7.21.2
Haxx Curl=7.21.3
Haxx Curl=7.21.4
Haxx Curl=7.21.5
Haxx Curl=7.21.6
Haxx Curl=7.21.7
Haxx Curl=7.22.0
Haxx Curl=7.23.0
Haxx Curl=7.23.1
Haxx Curl=7.24.0
Haxx Curl=7.25.0
Haxx Curl=7.26.0
Haxx Curl=7.27.0
Haxx Curl=7.28.0
Haxx Curl=7.28.1
Haxx Curl=7.29.0
Haxx Curl=7.30.0
Haxx Libcurl=7.7
Haxx Libcurl=7.7.1
Haxx Libcurl=7.7.2
Haxx Libcurl=7.7.3
Haxx Libcurl=7.8
Haxx Libcurl=7.8.1
Haxx Libcurl=7.9
Haxx Libcurl=7.9.1
Haxx Libcurl=7.9.2
Haxx Libcurl=7.9.3
Haxx Libcurl=7.9.4
Haxx Libcurl=7.9.5
Haxx Libcurl=7.9.6
Haxx Libcurl=7.9.7
Haxx Libcurl=7.9.8
Haxx Libcurl=7.10
Haxx Libcurl=7.10.1
Haxx Libcurl=7.10.2
Haxx Libcurl=7.10.3
Haxx Libcurl=7.10.4
Haxx Libcurl=7.10.5
Haxx Libcurl=7.10.6
Haxx Libcurl=7.10.7
Haxx Libcurl=7.10.8
Haxx Libcurl=7.11.0
Haxx Libcurl=7.11.1
Haxx Libcurl=7.11.2
Haxx Libcurl=7.12.0
Haxx Libcurl=7.12.1
Haxx Libcurl=7.12.2
Haxx Libcurl=7.12.3
Haxx Libcurl=7.13.0
Haxx Libcurl=7.13.1
Haxx Libcurl=7.13.2
Haxx Libcurl=7.14.0
Haxx Libcurl=7.14.1
Haxx Libcurl=7.15.0
Haxx Libcurl=7.15.1
Haxx Libcurl=7.15.2
Haxx Libcurl=7.15.3
Haxx Libcurl=7.15.4
Haxx Libcurl=7.15.5
Haxx Libcurl=7.16.0
Haxx Libcurl=7.16.1
Haxx Libcurl=7.16.2
Haxx Libcurl=7.16.3
Haxx Libcurl=7.16.4
Haxx Libcurl=7.17.0
Haxx Libcurl=7.17.1
Haxx Libcurl=7.18.0
Haxx Libcurl=7.18.1
Haxx Libcurl=7.18.2
Haxx Libcurl=7.19.0
Haxx Libcurl=7.19.1
Haxx Libcurl=7.19.2
Haxx Libcurl=7.19.3
Haxx Libcurl=7.19.4
Haxx Libcurl=7.19.5
Haxx Libcurl=7.19.6
Haxx Libcurl=7.19.7
Haxx Libcurl=7.20.0
Haxx Libcurl=7.20.1
Haxx Libcurl=7.21.0
Haxx Libcurl=7.21.1
Haxx Libcurl=7.21.2
Haxx Libcurl=7.21.3
Haxx Libcurl=7.21.4
Haxx Libcurl=7.21.5
Haxx Libcurl=7.21.6
Haxx Libcurl=7.21.7
Haxx Libcurl=7.22.0
Haxx Libcurl=7.23.0
Haxx Libcurl=7.23.1
Haxx Libcurl=7.24.0
Haxx Libcurl=7.25.0
Haxx Libcurl=7.26.0
Haxx Libcurl=7.27.0
Haxx Libcurl=7.28.0
Haxx Libcurl=7.28.1
Haxx Libcurl=7.29.0
Haxx Libcurl=7.30.0
Canonical Ubuntu Linux=10.04
Canonical Ubuntu Linux=12.04
Canonical Ubuntu Linux=12.10
Canonical Ubuntu Linux=13.04
openSUSE openSUSE=11.4
Redhat Enterprise Linux=5
Redhat Enterprise Linux=6.0

Remedy

https://github.com/bagder/curl/commit/192c4f788d48f82c03e9cef40013f34370e90737

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