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Debian Security Advisory DSA 2271-1 (curl)

Information

Severity

Severity

Medium

Family

Family

Debian Local Security Checks

CVSSv2 Base

CVSSv2 Base

4.3

CVSSv2 Vector

CVSSv2 Vector

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

Solution Type

Solution Type

Vendor Patch

Created

Created

11 years ago

Modified

Modified

1 year ago

Summary

The remote host is missing an update to curl announced via advisory DSA 2271-1.

Insight

Insight

Richard Silverman discovered that when doing GSSAPI authentication, libcurl unconditionally performs credential delegation. This hands the server a copy of the client's security credentials, allowing the server to impersonate the client to any other using the same GSSAPI mechanism. This is obviously a very sensitive operation, which should only be done when the user explicitly so directs. For the oldstable distribution (lenny), this problem has been fixed in version 7.18.2-8lenny5. For the stable distribution (squeeze), this problem has been fixed in version 7.21.0-2. For the testing distribution (wheezy), this problem has been fixed in version 7.21.6-2. For the unstable distribution (sid), this problem has been fixed in version 7.21.6-2.

Solution

Solution

We recommend that you upgrade your curl packages.

Common Vulnerabilities and Exposures (CVE)