Debian: Security Advisory for curl (DSA-4633-1)

Published: 2020-02-26 04:00:06
CVE Author: NIST National Vulnerability Database (NVD)

CVSS Base Vector:
AV:N/AC:L/Au:N/C:P/I:P/A:P

Summary:
The remote host is missing an update for the 'curl' Linux Distribution Package(s) announced via the DSA-4633-1 advisory.

Detection Method:
Checks if a vulnerable Linux Distribution Package version is present on the target host.

Technical Details:
Multiple vulnerabilities were discovered in cURL, an URL transfer library. CVE-2019-5436 A heap buffer overflow in the TFTP receiving code was discovered, which could allow DoS or arbitrary code execution. This only affects the oldstable distribution (stretch). CVE-2019-5481 Thomas Vegas discovered a double-free in the FTP-KRB code, triggered by a malicious server sending a very large data block. CVE-2019-5482 Thomas Vegas discovered a heap buffer overflow that could be triggered when a small non-default TFTP blocksize is used.

Affected Versions:
'curl' Linux Distribution Package(s) on Debian Linux.

Recommendations:
For the oldstable distribution (stretch), these problems have been fixed in version 7.52.1-5+deb9u10. For the stable distribution (buster), these problems have been fixed in version 7.64.0-4+deb10u1. We recommend that you upgrade your curl Linux Distribution Packages.

Solution Type:
Vendor Patch

Detection Type:
Linux Distribution Package

NIST (National Institute of Standards and Technology) NVD (National Vulnerability Database)

https://nvd.nist.gov/vuln/detail/CVE-2019-5436
https://nvd.nist.gov/vuln/detail/CVE-2019-5481
https://nvd.nist.gov/vuln/detail/CVE-2019-5482

References:

https://www.debian.org/security/2020/dsa-4633.html
https://security-tracker.debian.org/tracker/DSA-4633-1

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Severity
High
CVSS Score
7.5

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