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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2018.3749 Perl vulnerabilities patched in Ubuntu 4 December 2018 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: perl Publisher: Ubuntu Operating System: Ubuntu Impact/Access: Execute Arbitrary Code/Commands -- Unknown/Unspecified Denial of Service -- Unknown/Unspecified Resolution: Patch/Upgrade CVE Names: CVE-2018-18314 CVE-2018-18313 CVE-2018-18312 CVE-2018-18311 Reference: ESB-2018.3718 Original Bulletin: http://www.ubuntu.com/usn/usn-3834-1 http://www.ubuntu.com/usn/usn-3834-2 Comment: This bulletin contains two (2) Ubuntu security advisories. - --------------------------BEGIN INCLUDED TEXT-------------------- ========================================================================== Ubuntu Security Notice USN-3834-1 December 03, 2018 perl vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - - Ubuntu 18.10 - - Ubuntu 18.04 LTS - - Ubuntu 16.04 LTS - - Ubuntu 14.04 LTS Summary: Several security issues were fixed in Perl. Software Description: - - perl: Practical Extraction and Report Language Details: Jayakrishna Menon discovered that Perl incorrectly handled Perl_my_setenv. An attacker could use this issue to cause Perl to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2018-18311) Eiichi Tsukata discovered that Perl incorrectly handled certain regular expressions. An attacker could use this issue to cause Perl to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, and Ubuntu 18.10. (CVE-2018-18312) Eiichi Tsukata discovered that Perl incorrectly handled certain regular expressions. An attacker could use this issue to cause Perl to crash, resulting in a denial of service. (CVE-2018-18313) Jakub Wilk discovered that Perl incorrectly handled certain regular expressions. An attacker could use this issue to cause Perl to crash, resulting in a denial of service. This issue only affected Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, and Ubuntu 18.10. (CVE-2018-18314) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 18.10: perl 5.26.2-7ubuntu0.1 Ubuntu 18.04 LTS: perl 5.26.1-6ubuntu0.3 Ubuntu 16.04 LTS: perl 5.22.1-9ubuntu0.6 Ubuntu 14.04 LTS: perl 5.18.2-2ubuntu1.7 In general, a standard system update will make all the necessary changes. References: https://usn.ubuntu.com/usn/usn-3834-1 CVE-2018-18311, CVE-2018-18312, CVE-2018-18313, CVE-2018-18314 Package Information: https://launchpad.net/ubuntu/+source/perl/5.26.2-7ubuntu0.1 https://launchpad.net/ubuntu/+source/perl/5.26.1-6ubuntu0.3 https://launchpad.net/ubuntu/+source/perl/5.22.1-9ubuntu0.6 https://launchpad.net/ubuntu/+source/perl/5.18.2-2ubuntu1.7 - -------------------------------------------------------------------------------- ========================================================================== Ubuntu Security Notice USN-3834-2 December 03, 2018 perl vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - - Ubuntu 12.04 ESM Summary: Several security issues were fixed in Perl. Software Description: - - perl: Practical Extraction and Report Language Details: USN-3834-1 fixed a vulnerability in perl. This update provides the corresponding update for Ubuntu 12.04 ESM. Original advisory details: Jayakrishna Menon discovered that Perl incorrectly handled Perl_my_setenv. An attacker could use this issue to cause Perl to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2018-18311) Eiichi Tsukata discovered that Perl incorrectly handled certain regular expressions. An attacker could use this issue to cause Perl to crash, resulting in a denial of service. (CVE-2018-18313) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 12.04 ESM: perl 5.14.2-6ubuntu2.9 In general, a standard system update will make all the necessary changes. References: https://usn.ubuntu.com/usn/usn-3834-2 https://usn.ubuntu.com/usn/usn-3834-1 CVE-2018-18311, CVE-2018-18313 - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. If you do not know who that is, please send an email to auscert@auscert.org.au and we will forward your request to the appropriate person. NOTE: Third Party Rights This security bulletin is provided as a service to AusCERT's members. As AusCERT did not write the document quoted above, AusCERT has had no control over its content. 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Previous advisories and external security bulletins can be retrieved from: https://www.auscert.org.au/bulletins/ =========================================================================== Australian Computer Emergency Response Team The University of Queensland Brisbane Qld 4072 Internet Email: auscert@auscert.org.au Facsimile: (07) 3365 7031 Telephone: (07) 3365 4417 (International: +61 7 3365 4417) AusCERT personnel answer during Queensland business hours which are GMT+10:00 (AEST). On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: http://www.auscert.org.au/render.html?it=1967 iQIVAwUBXAXL8maOgq3Tt24GAQhjnxAAzYkhQb5xAWFu23R86v4439sgaf+DqKt+ CaVQXKZCthxXZ6Ze5ZEcuXgjnw7HiV2YIDTSjFFlD2S3WbZhGX/pZWEF5ChwXyR2 xY9mH+gW/yVoxku1erxQRWS8ShO4NDhK9qIQBEyaXjLMUFL26xdI9InBU0ieO090 0ihyhnPIc6z6i2YeT5n5HltckA9QW1GPXa8EH9qO7BltMUNoZnBgMNrTs6Z+TV1Y lL7wF1mWpxUpHgJXflfYI2XnPGNR2yUw3DiBrX9i3dD/FnI7zDRXjaW/Ip8dPd50 1d76Nzki1Xh3OGyhZM/i91Hn0q81ZXQP8jgCmPE7WcsNoxDQq6iVOkmuIa5cUU6D GugyZIeNdijoJpUFlR7kvtTxPV8iS5gSeMKks74rNBUjoA2+P1IgYlI4He94D3Ne V3otC2Bhp4hA5zGly7tr3uE8KBOx6KPUJaJS4tyRjAcb1RuCUj2o+0vQtZjMxLC7 sxIgnD0Do1FyWvgPB7EMnl2PF38tdxwj8sV53r7N5LIu2N3aj5ZCfU8FWVzGmfyP OjuISbOrbWq4JxX60pvksSQefaxiiccfsZH2SAqAI2IN5qj22FkcA6VtWGfNZs6y 59JleJErwRJ+Tb3szXmUjdhBVZX0xUR5ghVp3/7vxVMjAI4C7jaiAjJGyatqhOmS vgQTvfuEGoM= =26XJ -----END PGP SIGNATURE-----