SUSE-SU-2023:1711-1: moderate: Security update for curl

Fri Mar 31 12:31:29 UTC 2023

# Security update for curl

Announcement ID: SUSE-SU-2023:1711-1  
Rating: moderate  
References:

  * #1207992
  * #1209209
  * #1209210
  * #1209211
  * #1209212
  * #1209214

Cross-References:

  * CVE-2023-23916
  * CVE-2023-27533
  * CVE-2023-27534
  * CVE-2023-27535
  * CVE-2023-27536
  * CVE-2023-27538

CVSS scores:

  * CVE-2023-23916 ( SUSE ):  6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
  * CVE-2023-23916 ( NVD ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2023-27533 ( SUSE ):  4.5 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L
  * CVE-2023-27534 ( SUSE ):  4.5 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L
  * CVE-2023-27535 ( SUSE ):  5.8 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:H
  * CVE-2023-27536 ( SUSE ):  5.8 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:H
  * CVE-2023-27538 ( SUSE ):  5.8 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:H

Affected Products:

  * SUSE Linux Enterprise Micro 5.1
  * SUSE Linux Enterprise Micro 5.2
  * SUSE Linux Enterprise Micro for Rancher 5.2
  * SUSE Linux Enterprise Real Time 15 SP3

An update that solves six vulnerabilities can now be installed.

## Description:

This update for curl fixes the following issues:

  * CVE-2023-27533: Fixed TELNET option IAC injection (bsc#1209209).
  * CVE-2023-27534: Fixed SFTP path ~ resolving discrepancy (bsc#1209210).
  * CVE-2023-27535: Fixed FTP too eager connection reuse (bsc#1209211).
  * CVE-2023-27536: Fixed GSS delegation too eager connection reuse
    (bsc#1209212).
  * CVE-2023-27538: Fixed SSH connection too eager reuse still (bsc#1209214).
  * CVE-2023-23916: Fixed HTTP multi-header compression denial of service
    (bsc#1207992).

## Patch Instructions:

To install this SUSE Moderate update use the SUSE recommended installation
methods like YaST online_update or "zypper patch".  
Alternatively you can run the command listed for your product:

  * SUSE Linux Enterprise Real Time 15 SP3  
    zypper in -t patch SUSE-SLE-Product-RT-15-SP3-2023-1711=1

  * SUSE Linux Enterprise Micro 5.1  
    zypper in -t patch SUSE-SUSE-MicroOS-5.1-2023-1711=1

  * SUSE Linux Enterprise Micro 5.2  
    zypper in -t patch SUSE-SUSE-MicroOS-5.2-2023-1711=1

  * SUSE Linux Enterprise Micro for Rancher 5.2  
    zypper in -t patch SUSE-SUSE-MicroOS-5.2-2023-1711=1

## Package List:

  * SUSE Linux Enterprise Real Time 15 SP3 (x86_64)
    * libcurl4-32bit-debuginfo-7.66.0-150200.4.52.1
    * curl-7.66.0-150200.4.52.1
    * curl-debuginfo-7.66.0-150200.4.52.1
    * libcurl-devel-7.66.0-150200.4.52.1
    * curl-debugsource-7.66.0-150200.4.52.1
    * libcurl4-debuginfo-7.66.0-150200.4.52.1
    * libcurl4-7.66.0-150200.4.52.1
    * libcurl4-32bit-7.66.0-150200.4.52.1
  * SUSE Linux Enterprise Micro 5.1 (aarch64 s390x x86_64)
    * curl-7.66.0-150200.4.52.1
    * curl-debuginfo-7.66.0-150200.4.52.1
    * curl-debugsource-7.66.0-150200.4.52.1
    * libcurl4-debuginfo-7.66.0-150200.4.52.1
    * libcurl4-7.66.0-150200.4.52.1
  * SUSE Linux Enterprise Micro 5.2 (aarch64 s390x x86_64)
    * curl-7.66.0-150200.4.52.1
    * curl-debuginfo-7.66.0-150200.4.52.1
    * curl-debugsource-7.66.0-150200.4.52.1
    * libcurl4-debuginfo-7.66.0-150200.4.52.1
    * libcurl4-7.66.0-150200.4.52.1
  * SUSE Linux Enterprise Micro for Rancher 5.2 (aarch64 s390x x86_64)
    * curl-7.66.0-150200.4.52.1
    * curl-debuginfo-7.66.0-150200.4.52.1
    * curl-debugsource-7.66.0-150200.4.52.1
    * libcurl4-debuginfo-7.66.0-150200.4.52.1
    * libcurl4-7.66.0-150200.4.52.1

## References:

  * https://www.suse.com/security/cve/CVE-2023-23916.html
  * https://www.suse.com/security/cve/CVE-2023-27533.html
  * https://www.suse.com/security/cve/CVE-2023-27534.html
  * https://www.suse.com/security/cve/CVE-2023-27535.html
  * https://www.suse.com/security/cve/CVE-2023-27536.html
  * https://www.suse.com/security/cve/CVE-2023-27538.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1207992
  * https://bugzilla.suse.com/show_bug.cgi?id=1209209
  * https://bugzilla.suse.com/show_bug.cgi?id=1209210
  * https://bugzilla.suse.com/show_bug.cgi?id=1209211
  * https://bugzilla.suse.com/show_bug.cgi?id=1209212
  * https://bugzilla.suse.com/show_bug.cgi?id=1209214

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