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Debian Security Advisory DSA 4051-1 (curl - security update)

Information

Severity

Severity

High

Family

Family

Debian Local Security Checks

CVSSv2 Base

CVSSv2 Base

7.5

CVSSv2 Vector

CVSSv2 Vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

Solution Type

Solution Type

Vendor Patch

Created

Created

5 years ago

Modified

Modified

3 years ago

Summary

Two vulnerabilities were discovered in cURL, an URL transfer library. CVE-2017-8816 Alex Nichols discovered a buffer overrun flaw in the NTLM authentication code which can be triggered on 32bit systems where an integer overflow might occur when calculating the size of a memory allocation. CVE-2017-8817 Fuzzing by the OSS-Fuzz project led to the discovery of a read out of bounds flaw in the FTP wildcard function in libcurl. A malicious server could redirect a libcurl-based client to an URL using a wildcard pattern, triggering the out-of-bound read.

Affected Software

Affected Software

curl on Debian Linux

Detection Method

Detection Method

This check tests the installed software version using the apt package manager.

Solution

Solution

For the oldstable distribution (jessie), these problems have been fixed in version 7.38.0-4+deb8u8. For the stable distribution (stretch), these problems have been fixed in version 7.52.1-5+deb9u3. We recommend that you upgrade your curl packages. For the detailed security status of curl please refer to its security tracker page linked in the references.

Common Vulnerabilities and Exposures (CVE)