USN-6105-1: ca-certificates update | Cloud Foundry

Severity Unknown Vendor Canonical Ubuntu Versions Affected Canonical Ubuntu 18.04 Canonical Ubuntu 22.04 Description The ca-certificates package contained outdated CA certificates. This update refreshes the included certificates to those contained in the 2.60 version of the Mozilla certificate...

USN-6112-1: Perl vulnerability | Cloud Foundry

Severity Medium Vendor Canonical Ubuntu Versions Affected Canonical Ubuntu 16.04 Canonical Ubuntu 18.04 Description It was discovered that Perl was not properly verifying TLS certificates when using CPAN together with HTTP::Tiny to download modules over HTTPS. If a remote attacker were able to...

USN-6138-1: libssh vulnerabilities | Cloud Foundry

Severity Medium Vendor Canonical Ubuntu Versions Affected Canonical Ubuntu 22.04 Description Philip Turnbull discovered that libssh incorrectly handled rekeying with algorithm guessing. A remote attacker could use this issue to cause libssh to crash, resulting in a denial of service, or possibly...

USN-6119-1: OpenSSL vulnerabilities | Cloud Foundry

Severity Medium Vendor Canonical Ubuntu Versions Affected Canonical Ubuntu 18.04 Canonical Ubuntu 22.04 Description Matt Caswell discovered that OpenSSL incorrectly handled certain ASN.1 object identifiers. A remote attacker could possibly use this issue to cause OpenSSL to consume resources,...

USN-6112-2: Perl vulnerability | Cloud Foundry

Severity Medium Vendor Canonical Ubuntu Versions Affected Canonical Ubuntu 22.04 Description USN-6112-1 fixed vulnerabilities in Perl. This update provides the corresponding updates for Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, Ubuntu 22.10, and Ubuntu 23.04. Original advisory details: It was discovere...

USN-6060-1: MySQL vulnerabilities | Cloud Foundry

Severity Medium Vendor Canonical Ubuntu Versions Affected Canonical Ubuntu 18.04 Canonical Ubuntu 22.04 Description Multiple security issues were discovered in MySQL and this update includes new upstream MySQL versions to fix these issues. MySQL has been updated to 8.0.33 in Ubuntu 20.04 LTS,...

USN-6166-1: libcap2 vulnerabilities | Cloud Foundry

Severity Medium Vendor Canonical Ubuntu Versions Affected Canonical Ubuntu 22.04 Description David Gstir discovered that libcap2 incorrectly handled certain return codes. An attacker could possibly use this issue to cause libcap2 to consume memory, leading to a denial of service. CVE-2023-2602...

USN-6165-1: GLib vulnerabilities | Cloud Foundry

Severity Medium Vendor Canonical Ubuntu Versions Affected Canonical Ubuntu 22.04 Description It was discovered that GLib incorrectly handled non-normal GVariants. An attacker could use this issue to cause GLib to crash, resulting in a denial of service, or perform other unknown attacks. Update...

USN-6168-1: libx11 vulnerability | Cloud Foundry

Severity Medium Vendor Canonical Ubuntu Versions Affected Canonical Ubuntu 22.04 Description Gregory James Duck discovered that libx11 incorrectly handled certain Request, Event, or Error IDs. If a user were tricked into connecting to a malicious X Server, a remote attacker could possibly use thi...

cflinuxfs3 Removal | Cloud Foundry

cflinuxfs3 Removal Please be advised that starting with release v30.0.0 of cf-deployment the platform now comes without the cflinuxfs3 stack and the cflinuxfs3 buildpacks 1. The stack is based on Ubuntu Bionic and has reached end of life. The new cflinuxfs4 stack with Ubuntu Jammy buildpacks are...

CVE-2023-20885: CF workflows leak credentials in system audit logs | Cloud Foundry

Severity Medium Vendor Cloud Foundry Foundation Description Cloud foundry team found that the kernel audit logging is enabled on some components due to which various lifecycle workflows in the platform that use admin or service credentials in invocations of binaries are picked up by the audit...

USN-6099-1: ncurses vulnerabilities | Cloud Foundry

Severity Medium Vendor Canonical Ubuntu Versions Affected Canonical Ubuntu 16.04 Canonical Ubuntu 18.04 Canonical Ubuntu 22.04 Description It was discovered that ncurses was incorrectly performing bounds checks when processing invalid hashcodes. An attacker could possibly use this issue to cause ...

USN-6087-1: Ruby vulnerabilities | Cloud Foundry

Severity Medium Vendor Canonical Ubuntu Versions Affected Canonical Ubuntu 18.04 Description It was discovered that Ruby incorrectly handled certain regular expressions. An attacker could possibly use this issue to cause a denial of service. CVE-2023-28755 It was discovered that Ruby incorrectly...

USN-6078-1: libwebp vulnerability | Cloud Foundry

Severity Medium Vendor Canonical Ubuntu Versions Affected Canonical Ubuntu 18.04 Canonical Ubuntu 22.04 Description Irvan Kurniawan discovered that libwebp incorrectly handled certain memory operations. If a user or automated system were tricked into opening a specially crafted image file, a remo...

USN-5971-1: Graphviz vulnerabilities | Cloud Foundry

Severity Medium Vendor Canonical Ubuntu Versions Affected Canonical Ubuntu 18.04 Description It was discovered that graphviz contains null pointer dereference vulnerabilities. Exploitation via a specially crafted input file can cause a denial of service. This issue only affected Ubuntu 18.04 LTS...

USN-5958-1: FFmpeg vulnerabilities | Cloud Foundry

Severity Medium Vendor Canonical Ubuntu Versions Affected Canonical Ubuntu 18.04 Canonical Ubuntu 22.04 Description It was discovered that FFmpeg could be made to dereference a null pointer. An attacker could possibly use this to cause a denial of service via application crash. These issues only...

CVE-2023-20882: Gorouter pruning via client disconnect resulting in DOS | Cloud Foundry

Severity High Vendor Cloud Foundry Foundation Description A bug in the gorouter process for the versions from 0.262.0 and prior to 0.266.0 of routing-release can lead to a denial of service of applications hosted on Cloud Foundry. Under the right circumstances, when client connections are closed...

USN-5702-1: curl vulnerabilities | Cloud Foundry

Severity Medium Vendor Canonical Ubuntu Versions Affected Canonical Ubuntu 18.04 Canonical Ubuntu 22.04 Description Robby Simpson discovered that curl incorrectly handled certain POST operations after PUT operations. This issue could cause applications using curl to send the wrong data, perform...

CVE-2023-20881: CAs for syslog-drain mtls feature can be overwritten | Cloud Foundry

Severity Medium Vendor Cloud Foundry Foundation Description Users on cf may override other users syslog drain credentials if they’re aware of the client certificate used for that syslog drain. This applies even if the drain has zero certs. This would allow the user to override the private key and...

USN-5310-1: GNU C Library vulnerabilities | Cloud Foundry

Severity Medium Vendor Canonical Ubuntu Versions Affected Canonical Ubuntu 18.04 Description Jan Engelhardt, Tavis Ormandy, and others discovered that the GNU C Library iconv feature incorrectly handled certain input sequences. An attacker could possibly use this issue to cause the GNU C Library ...

USN-6028-1: libxml2 vulnerabilities | Cloud Foundry

Severity Medium Vendor Canonical Ubuntu Versions Affected Canonical Ubuntu 16.04 Canonical Ubuntu 18.04 Canonical Ubuntu 22.04 Description It was discovered that lixml2 incorrectly handled certain XML files. An attacker could possibly use this issue to cause a crash or execute arbitrary code...

USN-5964-1: curl vulnerabilities | Cloud Foundry

Severity Medium Vendor Canonical Ubuntu Versions Affected Canonical Ubuntu 18.04 Canonical Ubuntu 22.04 Description Harry Sintonen discovered that curl incorrectly handled certain TELNET connection options. Due to lack of proper input scrubbing, curl could pass on user name and telnet options to...

USN-5959-1: Kerberos vulnerabilities Severity | Cloud Foundry

Severity Medium Vendor Canonical Ubuntu Versions Affected Canonical Ubuntu 18.04 Description It was discovered that Kerberos incorrectly handled memory when processing KDC data, which could lead to a NULL pointer dereference. An attacker could possibly use this issue to cause a denial of service ...

USN-5960-1: Python vulnerability | Cloud Foundry

Severity Medium Vendor Canonical Ubuntu Versions Affected Canonical Ubuntu 16.04 Canonical Ubuntu 18.04 Canonical Ubuntu 22.04 Description Yebo Cao discovered that Python incorrectly handled certain URLs. An attacker could possibly use this issue to bypass blocklisting methods by supplying a URL...

USN-5963-1: Vim vulnerabilities | Cloud Foundry

Severity Medium Vendor Canonical Ubuntu Versions Affected Canonical Ubuntu 16.04 Canonical Ubuntu 18.04 Canonical Ubuntu 22.04 Description It was discovered that Vim was not properly performing memory management operations. An attacker could possibly use this issue to cause a denial of service or...

USN-5952-1: OpenJPEG vulnerabilities | Cloud Foundry

Severity Medium Vendor Canonical Ubuntu Versions Affected Canonical Ubuntu 18.04 Description Sebastian Poeplau discovered that OpenJPEG incorrectly handled certain inputs. If a user or an automated system were tricked into opening a specially crafted input file, a remote attacker could possibly u...

USN-6026-1: Vim vulnerabilities | Cloud Foundry

Severity Medium Vendor Canonical Ubuntu Versions Affected Canonical Ubuntu 18.04 Canonical Ubuntu 22.04 Description It was discovered that Vim was incorrectly processing Vim buffers. An attacker could possibly use this issue to perform illegal memory access and expose sensitive information. This...

USN-5855-3: ImageMagick regression | Cloud Foundry

Severity Unknown Vendor Canonical Ubuntu Versions Affected Canonical Ubuntu 22.04 Description USN-5855-2 fixed vulnerabilities in ImageMagick. Unfortunately an additional mitigation caused a regression. This update fixes the problem. We apologize for the inconvenience. Original advisory details: ...

USN-5993-1: Samba vulnerabilities | Cloud Foundry

Severity Medium Vendor Canonical Ubuntu Versions Affected Canonical Ubuntu 22.04 Description Demi Marie Obenour discovered that the Samba LDAP server incorrectly handled certain confidential attribute values. A remote authenticated attacker could possibly use this issue to obtain certain sensitiv...

USN-5964-2: curl vulnerabilities | Cloud Foundry

Severity Medium Vendor Canonical Ubuntu Versions Affected Canonical Ubuntu 16.04 Description USN-5964-1 fixed several vulnerabilities in curl. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. Original advisory details: Harry Sintonen discovered that curl...

USN-6005-1: Sudo vulnerabilities | Cloud Foundry

Severity Medium Vendor Canonical Ubuntu Versions Affected Canonical Ubuntu 18.04 Canonical Ubuntu 22.04 Description Matthieu Barjole and Victor Cutillas discovered that Sudo incorrectly escaped control characters in log messages and sudoreplay output. An attacker could possibly use these issues t...

USN-5995-1: Vim vulnerabilities | Cloud Foundry

Severity Medium Vendor Canonical Ubuntu Versions Affected Canonical Ubuntu 18.04 Canonical Ubuntu 22.04 Description It was discovered that Vim incorrectly handled memory when opening certain files. If an attacker could trick a user into opening a specially crafted file, it could cause Vim to cras...

USN-5928-1: systemd vulnerabilities | Cloud Foundry

Severity Medium Vendor Canonical Ubuntu Versions Affected Canonical Ubuntu 16.04 Canonical Ubuntu 18.04 Canonical Ubuntu 22.04 Description It was discovered that systemd did not properly validate the time and accuracy values provided to the formattimespan function. An attacker could possibly use...

USN-5891-1: curl vulnerabilities | Cloud Foundry

Severity Medium Vendor Canonical Ubuntu Versions Affected Canonical Ubuntu 18.04 Canonical Ubuntu 22.04 Description Harry Sintonen discovered that curl incorrectly handled HSTS support when multiple URLs are requested serially. A remote attacker could possibly use this issue to cause curl to use...

USN-5886-1: Intel Microcode vulnerabilities | Cloud Foundry

Severity Medium Vendor Canonical Ubuntu Versions Affected Canonical Ubuntu 16.04 Canonical Ubuntu 18.04 Canonical Ubuntu 22.04 Description Erik C. Bjorge discovered that some IntelR Atom and Intel Xeon Scalable Processors did not properly implement access controls for out-of-band management. This...

USN-5885-1: APR vulnerability | Cloud Foundry

Severity Medium Vendor Canonical Ubuntu Versions Affected Canonical Ubuntu 22.04 Description Ronald Crane discovered integer overflow vulnerabilities in the Apache Portable Runtime APR that could potentially result in memory corruption. A remote attacker could possibly use these issues to cause a...

USN-5848-1: less vulnerability | Cloud Foundry

Severity Medium Vendor Canonical Ubuntu Versions Affected Canonical Ubuntu 22.04 Description David Leadbeater discovered that less was not properly handling escape sequences when displaying raw control characters. A maliciously formed OSC 8 hyperlink could be used by an attacker to perform a deni...

USN-5921-1: rsync vulnerabilities | Cloud Foundry

Severity Medium Vendor Canonical Ubuntu Versions Affected Canonical Ubuntu 18.04 Canonical Ubuntu 22.04 Description Koen van Hove discovered that the rsync client incorrectly validated filenames returned by servers. If a user or automated system were tricked into connecting to a malicious server,...

USN-5908-1: Sudo vulnerability | Cloud Foundry

Severity Medium Vendor Canonical Ubuntu Versions Affected Canonical Ubuntu 22.04 Description It was discovered that Sudo incorrectly handled the per-command chroot feature. In certain environments where Sudo is configured with a rule that contains a CHROOT setting, a local attacker could use this...

USN-5906-1: PostgreSQL vulnerability | Cloud Foundry

Severity Medium Vendor Canonical Ubuntu Versions Affected Canonical Ubuntu 22.04 Description Jacob Champion discovered that the PostgreSQL client incorrectly handled Kerberos authentication. If a user or automated system were tricked into connecting to a malicious server, a remote attacker could...

USN-5923-1: LibTIFF vulnerabilities | Cloud Foundry

Severity Medium Vendor Canonical Ubuntu Versions Affected Canonical Ubuntu 16.04 Canonical Ubuntu 18.04 Canonical Ubuntu 22.04 Description It was discovered that LibTIFF could be made to read out of bounds when processing certain malformed image files with the tiffcrop tool. If a user were tricke...

USN-5855-2: ImageMagick vulnerabilities | Cloud Foundry

Severity Medium Vendor Canonical Ubuntu Versions Affected Canonical Ubuntu 22.04 Description USN-5855-1 fixed a vulnerability in ImageMagick. This update provides the corresponding update for Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, and Ubuntu 22.10. Original advisory details: It was discovered that...

USN-5871-2: Git regression | Cloud Foundry

Severity Medium Vendor Canonical Ubuntu Versions Affected Canonical Ubuntu 18.04 Description USN-5871-1 fixed vulnerabilities in Git. A backport fixing part of the vulnerability in CVE-2023-22490 was required. This update fix this for Ubuntu 18.04 LTS. Original advisory details: It was discovered...

USN-5900-1: tar vulnerability | Cloud Foundry

Severity Medium Vendor Canonical Ubuntu Versions Affected Canonical Ubuntu 16.04 Canonical Ubuntu 18.04 Canonical Ubuntu 22.04 Description It was discovered that tar incorrectly handled certain files. An attacker could possibly use this issue to expose sensitive information or cause a crash. Upda...

USN-5901-1: GnuTLS vulnerability | Cloud Foundry

Severity Medium Vendor Canonical Ubuntu Versions Affected Canonical Ubuntu 22.04 Description Hubert Kario discovered that GnuTLS had a timing side-channel when handling certain RSA messages. A remote attacker could possibly use this issue to recover sensitive information. Update Instructions: Run...

USN-5767-3: Python vulnerability | Cloud Foundry

Severity Medium Vendor Canonical Ubuntu Versions Affected Canonical Ubuntu 18.04 Description USN-5767-1 fixed vulnerabilities in Python. This update fixes the problem for Ubuntu 18.04 LTS. Original advisory details: Nicky Mouha discovered that Python incorrectly handled certain SHA-3 internals. A...

CVE-2023-20903 - Tokens for inactivated IDPs are not revoked and remain valid until expiration | Cloud Foundry

Severity CVSS score: 2.7 Low Vendor Cloud Foundry Foundation Versions Affected All versions Description This disclosure regards a vulnerability related to UAA refresh tokens and external identity providers. Assuming that: an external identity provider is linked to the UAA a refresh token is issue...

USN-5825-1: PAM vulnerability | Cloud Foundry

Severity Negligible Vendor Canonical Ubuntu Versions Affected Canonical Ubuntu 16.04 Canonical Ubuntu 18.04 Canonical Ubuntu 22.04 Description It was discovered that PAM did not correctly restrict login from an IP address that is not resolvable via DNS. An attacker could possibly use this issue t...

USN-5806-2: Ruby vulnerability | Cloud Foundry

Severity Medium Vendor Canonical Ubuntu Versions Affected Canonical Ubuntu 18.04 Canonical Ubuntu 22.04 Description USN-5806-1 fixed vulnerabilities in Ruby. This update fixes the problem for Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, and Ubuntu 22.10. Original advisory details: Hiroshi Tokumaru...

USN-5828-1: Kerberos vulnerabilities | Cloud Foundry

Severity Medium Vendor Canonical Ubuntu Versions Affected Canonical Ubuntu 16.04 Canonical Ubuntu 18.04 Canonical Ubuntu 22.04 Description It was discovered that Kerberos incorrectly handled certain S4U2Self requests. An attacker could possibly use this issue to cause a denial of service. This...