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AUSCERT External Security Bulletin Redistribution
ESB-2018.3208
Security update for haproxy
22 October 2018
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AusCERT Security Bulletin Summary
---------------------------------
Product: haproxy
Publisher: SUSE
Operating System: SUSE
Impact/Access: Access Privileged Data -- Remote/Unauthenticated
Denial of Service -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2018-14645 CVE-2018-11469
Reference: ESB-2018.3035
ESB-2018.2966
ESB-2018.1624
Original Bulletin:
https://www.suse.com/support/update/announcement/2018/suse-su-20183249-1.html
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SUSE Security Update: Security update for haproxy
______________________________________________________________________________
Announcement ID: SUSE-SU-2018:3249-1
Rating: important
References: #1094846 #1100787 #1108683
Cross-References: CVE-2018-11469 CVE-2018-14645
Affected Products:
SUSE Linux Enterprise High Availability 15
______________________________________________________________________________
An update that solves two vulnerabilities and has one
errata is now available.
Description:
This update for haproxy to version 1.8.14 fixes the following issues:
These security issues were fixed:
- CVE-2018-14645: A flaw was discovered in the HPACK decoder what caused an
out-of-bounds read in hpack_valid_idx() that resulted in a remote crash
and denial of service (bsc#1108683)
- CVE-2018-11469: Incorrect caching of responses to requests including an
Authorization header allowed attackers to achieve information disclosure
via an unauthenticated remote request (bsc#1094846).
These non-security issues were fixed:
- Require apparmor-abstractions to reduce dependencies (bsc#1100787)
- hpack: fix improper sign check on the header index value
- cli: make sure the "getsock" command is only called on connections
- tools: fix set_net_port() / set_host_port() on IPv4
- patterns: fix possible double free when reloading a pattern list
- server: Crash when setting FQDN via CLI.
- kqueue: Don't reset the changes number by accident.
- snapshot: take the proxy's lock while dumping errors
- http/threads: atomically increment the error snapshot ID
- dns: check and link servers' resolvers right after config parsing
- h2: fix risk of memory leak on malformated wrapped frames
- session: fix reporting of handshake processing time in the logs
- stream: use atomic increments for the request counter
- thread: implement HA_ATOMIC_XADD()
- ECC cert should work with TLS < v1.2 and openssl >= 1.1.1
- dns/server: fix incomatibility between SRV resolution and server state
file
- hlua: Don't call RESET_SAFE_LJMP if SET_SAFE_LJMP returns 0.
- thread: lua: Wrong SSL context initialization.
- hlua: Make sure we drain the output buffer when done.
- lua: reset lua transaction between http requests
- mux_pt: dereference the connection with care in mux_pt_wake()
- lua: Bad HTTP client request duration.
- unix: provide a ->drain() function
- Fix spelling error in configuration doc
- cli/threads: protect some server commands against concurrent operations
- cli/threads: protect all "proxy" commands against concurrent updates
- lua: socket timeouts are not applied
- ssl: Use consistent naming for TLS protocols
- dns: explain set server ... fqdn requires resolver
- map: fix map_regm with backref
- ssl: loading dh param from certifile causes unpredictable error.
- ssl: fix missing error loading a keytype cert from a bundle.
- ssl: empty connections reported as errors.
- cli: make "show fd" thread-safe
- hathreads: implement a more flexible rendez-vous point
- threads: fix the no-thread case after the change to the sync point
- threads: add more consistency between certain variables in no-thread case
- threads: fix the double CAS implementation for ARMv7
- threads: Introduce double-width CAS on x86_64 and arm.
- lua: possible CLOSE-WAIT state with '\n' headers
For additional changes please refer to the changelog.
Patch Instructions:
To install this SUSE Security Update use the SUSE recommended installation methods
like YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:
- SUSE Linux Enterprise High Availability 15:
zypper in -t patch SUSE-SLE-Product-HA-15-2018-2332=1
Package List:
- SUSE Linux Enterprise High Availability 15 (aarch64 ppc64le s390x x86_64):
haproxy-1.8.14~git0.52e4d43b-3.3.2
haproxy-debuginfo-1.8.14~git0.52e4d43b-3.3.2
haproxy-debugsource-1.8.14~git0.52e4d43b-3.3.2
References:
https://www.suse.com/security/cve/CVE-2018-11469.html
https://www.suse.com/security/cve/CVE-2018-14645.html
https://bugzilla.suse.com/1094846
https://bugzilla.suse.com/1100787
https://bugzilla.suse.com/1108683
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