Ubuntu Security Notice USN-3441-2
23rd October, 2017
curl vulnerabilities
A security issue affects these releases of Ubuntu and its derivatives:
Several security issues were fixed in curl.
Software description
USN-3441-1 fixed several vulnerabilities in curl. This update
provides the corresponding update for Ubuntu 12.04 ESM.
Original advisory details:
Daniel Stenberg discovered that curl incorrectly handled large floating
point output. A remote attacker could use this issue to cause curl to
crash, resulting in a denial of service, or possibly execute arbitrary
code. (CVE-2016-9586)
Even Rouault discovered that curl incorrectly handled large file names when
doing TFTP transfers. A remote attacker could use this issue to cause curl
to crash, resulting in a denial of service, or possibly obtain sensitive
memory contents. (CVE-2017-1000100)
Brian Carpenter and Yongji Ouyang discovered that curl incorrectly handled
numerical range globbing. A remote attacker could use this issue to cause
curl to crash, resulting in a denial of service, or possibly obtain
sensitive memory contents. (CVE-2017-1000101)
Max Dymond discovered that curl incorrectly handled FTP PWD responses. A
remote attacker could use this issue to cause curl to crash, resulting in a
denial of service. (CVE-2017-1000254)
Brian Carpenter discovered that curl incorrectly handled IMAP FETCH
response lines. A remote attacker could use this issue to cause curl to
crash, resulting in a denial of service, or possibly execute arbitrary
code.(CVE-2017-1000257)
Brian Carpenter discovered that curl incorrectly handled the --write-out
command line option. A local attacker could possibly use this issue to
obtain sensitive memory contents. (CVE-2017-7407)
Update instructions
The problem can be corrected by updating your system to the following package version:
Ubuntu 12.04 LTS:
libcurl3-nss 7.22.0-3ubuntu4.18
curl 7.22.0-3ubuntu4.18
libcurl3-gnutls 7.22.0-3ubuntu4.18
libcurl3 7.22.0-3ubuntu4.18
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.
References
CVE-2016-9586, CVE-2017-1000100, CVE-2017-1000254, CVE-2017-1000257, CVE-2017-7407
Continue reading...
23rd October, 2017
curl vulnerabilities
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 12.04 LTS
Several security issues were fixed in curl.
Software description
- curl - HTTP, HTTPS, and FTP client and client libraries
USN-3441-1 fixed several vulnerabilities in curl. This update
provides the corresponding update for Ubuntu 12.04 ESM.
Original advisory details:
Daniel Stenberg discovered that curl incorrectly handled large floating
point output. A remote attacker could use this issue to cause curl to
crash, resulting in a denial of service, or possibly execute arbitrary
code. (CVE-2016-9586)
Even Rouault discovered that curl incorrectly handled large file names when
doing TFTP transfers. A remote attacker could use this issue to cause curl
to crash, resulting in a denial of service, or possibly obtain sensitive
memory contents. (CVE-2017-1000100)
Brian Carpenter and Yongji Ouyang discovered that curl incorrectly handled
numerical range globbing. A remote attacker could use this issue to cause
curl to crash, resulting in a denial of service, or possibly obtain
sensitive memory contents. (CVE-2017-1000101)
Max Dymond discovered that curl incorrectly handled FTP PWD responses. A
remote attacker could use this issue to cause curl to crash, resulting in a
denial of service. (CVE-2017-1000254)
Brian Carpenter discovered that curl incorrectly handled IMAP FETCH
response lines. A remote attacker could use this issue to cause curl to
crash, resulting in a denial of service, or possibly execute arbitrary
code.(CVE-2017-1000257)
Brian Carpenter discovered that curl incorrectly handled the --write-out
command line option. A local attacker could possibly use this issue to
obtain sensitive memory contents. (CVE-2017-7407)
Update instructions
The problem can be corrected by updating your system to the following package version:
Ubuntu 12.04 LTS:
libcurl3-nss 7.22.0-3ubuntu4.18
curl 7.22.0-3ubuntu4.18
libcurl3-gnutls 7.22.0-3ubuntu4.18
libcurl3 7.22.0-3ubuntu4.18
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.
References
CVE-2016-9586, CVE-2017-1000100, CVE-2017-1000254, CVE-2017-1000257, CVE-2017-7407
Continue reading...
