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ubuntuUbuntuUSN-5079-4
HistorySep 21, 2021 - 12:00 a.m.

curl regression

2021-09-2100:00:00
ubuntu.com
93

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

8.3 High

AI Score

Confidence

Low

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

0.003 Low

EPSS

Percentile

67.8%

JSON

Releases

  • Ubuntu 16.04 ESM
  • Ubuntu 14.04 ESM

Packages

  • curl - HTTP, HTTPS, and FTP client and client libraries

Details

USN-5079-2 fixed vulnerabilities in curl. One of the fixes introduced a
regression. This update fixes the problem.

Original advisory details:

Patrick Monnerat discovered that curl incorrectly handled upgrades to TLS.
When receiving certain responses from servers, curl would continue without
TLS even when the option to require a successful upgrade to TLS was
specified. (CVE-2021-22946)

Patrick Monnerat discovered that curl incorrectly handled responses
received before STARTTLS. A remote attacker could possibly use this issue
to inject responses and intercept communications. (CVE-2021-22947)

OSVersionArchitecturePackageVersionFilename
Ubuntu16.04noarchcurl< 7.47.0-1ubuntu2.19+esm2UNKNOWN
Ubuntu16.04noarchcurl< 7.47.0-1ubuntu2.19UNKNOWN
Ubuntu16.04noarchcurl-dbgsym< 7.47.0-1ubuntu2.19UNKNOWN
Ubuntu16.04noarchlibcurl3< 7.47.0-1ubuntu2.19UNKNOWN
Ubuntu16.04noarchlibcurl3-dbg< 7.47.0-1ubuntu2.19UNKNOWN
Ubuntu16.04noarchlibcurl3-dbgsym< 7.47.0-1ubuntu2.19UNKNOWN
Ubuntu16.04noarchlibcurl3-gnutls< 7.47.0-1ubuntu2.19UNKNOWN
Ubuntu16.04noarchlibcurl3-gnutls-dbgsym< 7.47.0-1ubuntu2.19UNKNOWN
Ubuntu16.04noarchlibcurl3-nss< 7.47.0-1ubuntu2.19UNKNOWN
Ubuntu16.04noarchlibcurl3-nss-dbgsym< 7.47.0-1ubuntu2.19UNKNOWN
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7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

8.3 High

AI Score

Confidence

Low

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

0.003 Low

EPSS

Percentile

67.8%

JSON
Related for USN-5079-4
oraclelinux1nessus47almalinux1osv10redhat13suse2ibm11rocky1ubuntu3debian3amazon2photon9slackware1fedora3mageia1cloudfoundry1freebsd2alpinelinux2hackerone2cve2redhatcve2prion2veracode2debiancve2ubuntucve2cbl_mariner4mscve1krebs1malwarebytes1gentoo1hivepro1thn1threatpost1ics3apple1mskb5kaspersky1rapid7blog1oracle5