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

curl regression

2021-09-2100:00:00
ubuntu.com
110
ubuntu
curl
regression
fix
vulnerability
tls
upgrade
cve-2021-22946
cve-2021-22947

CVSS2

5

Attack Vector

NETWORK

Attack 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

CVSS3

7.5

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

AI Score

8.4

Confidence

Low

EPSS

0.003

Percentile

69.8%

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
Rows per page:
1-10 of 431

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CVSS2

5

Attack Vector

NETWORK

Attack 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

CVSS3

7.5

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

AI Score

8.4

Confidence

Low

EPSS

0.003

Percentile

69.8%

JSON
Related for USN-5079-4
openvas38nessus54osv11almalinux1redhat13oraclelinux1rocky1ibm13suse2ubuntu3debian3amazon2photon9slackware1mageia1fedora3cloudfoundry1freebsd2prion2redhatcve2cvelist2nvd2cve2hackerone2alpinelinux2cbl_mariner4ubuntucve2veracode2debiancve2mscve1krebs1malwarebytes1gentoo1hivepro1thn1threatpost1ics2apple1mskb5kaspersky1