-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 - ------------------------------------------------------------------------- Debian Security Advisory DSA-4122-1 security@xxxxxxxxxx https://www.debian.org/security/ Salvatore Bonaccorso February 23, 2018 https://www.debian.org/security/faq - ------------------------------------------------------------------------- Package : squid3 CVE ID : CVE-2018-1000024 CVE-2018-1000027 Debian Bug : 888719 888720 Several vulnerabilities have been discovered in Squid3, a fully featured web proxy cache. The Common Vulnerabilities and Exposures project identifies the following issues: CVE-2018-1000024 Louis Dion-Marcil discovered that Squid does not properly handle processing of certain ESI responses. A remote server delivering certain ESI response syntax can take advantage of this flaw to cause a denial of service for all clients accessing the Squid service. This problem is limited to the Squid custom ESI parser. http://www.squid-cache.org/Advisories/SQUID-2018_1.txt CVE-2018-1000027 Louis Dion-Marcil discovered that Squid is prone to a denial of service vulnerability when processing ESI responses or downloading intermediate CA certificates. A remote attacker can take advantage of this flaw to cause a denial of service for all clients accessing the Squid service. http://www.squid-cache.org/Advisories/SQUID-2018_2.txt For the oldstable distribution (jessie), these problems have been fixed in version 3.4.8-6+deb8u5. For the stable distribution (stretch), these problems have been fixed in version 3.5.23-5+deb9u1. We recommend that you upgrade your squid3 packages. For the detailed security status of squid3 please refer to its security tracker page at: https://security-tracker.debian.org/tracker/squid3 Further information about Debian Security Advisories, how to apply these updates to your system and frequently asked questions can be found at: https://www.debian.org/security/ Mailing list: debian-security-announce@xxxxxxxxxxxxxxxx -----BEGIN PGP SIGNATURE----- iQKTBAEBCgB9FiEERkRAmAjBceBVMd3uBUy48xNDz0QFAlqPVb9fFIAAAAAALgAo aXNzdWVyLWZwckBub3RhdGlvbnMub3BlbnBncC5maWZ0aGhvcnNlbWFuLm5ldDQ2 NDQ0MDk4MDhDMTcxRTA1NTMxRERFRTA1NENCOEYzMTM0M0NGNDQACgkQBUy48xND z0RGOw//Yr5/j5S5xNQEM7HI+6mBcPEczGMFgUxYas9lQpaNlcD8Rxx+5sozlya7 pCr+SB0IcPfKzdB+1DhpmHUBr+AsAA6OHyf7xtgG0dPAq5SX+sHz1CbO3110k8j+ rdUotCf+xhLQ+2q8Cbi9YfQd5EPpdtzx/8cXVQomTcXt2nmHIlk91rNOZs0/gg2D WAAaeV3SEcR8mzLfWRqUSqSutdCGboOSbhHl7zeTdm9cPAYXrbRBmjjAisxcMSdy 1PeHmaoqlp1/dwMWUWu4qXeT2yT92BFjhj1dHvUlpbdJtvvRohD3WjORBIBe9Gc+ eWxKrpVR4d9lyb8ipsf2nt+/b+v5jkvrg9W3yL0HEKjPa54wr92kGArb948A3vPJ YWbomuwhhKW0DIqI1nES9R2XzZZgFo1DZpXmchYqM+sC2e8+rUBmfn9MUVOWG/9U X5JMhKiNHpIYTf9bKSqc4OSbtL+nJ5uY2g6+HrElwI/319CPxxdfr9iplP10ITVX ofjZecqjT24Nfra5ZvN6Pscpg9E34xgpd9fzOPgB7bq3BemYDT2GDaB/o3TXsVTO 4j84gg+9b68PICJgqsRdFAuiseycRZbXnzdvbBWB0mcKileFUIyZn+o9v4TQzWt+ +6Ebi7CpnEAttJ2Cyhw32B3XUuLQoBy/CWdruaFrEJu/EMr/ZxU= =mMK9 -----END PGP SIGNATURE-----
