Fedora 37: FEDORA-2023-c685251667 Critical: Redis Integer Overflow

Redis is an advanced key-value store. It is often referred to as a data

structure server since keys can contain strings, hashes, lists, sets and

sorted sets.

You can run atomic operations on these types, like appending to a string;

incrementing the value in a hash; pushing to a list; computing set

intersection, union and difference; or getting the member with highest

ranking in a sorted set.

In order to achieve its outstanding performance, Redis works with an

in-memory dataset. Depending on your use case, you can persist it either

by dumping the dataset to disk every once in a while, or by appending

each command to a log.

Redis also supports trivial-to-setup master-slave replication, with very

fast non-blocking first synchronization, auto-reconnection on net split

and so forth.

Other features include Transactions, Pub/Sub, Lua scripting, Keys with a

limited time-to-live, and configuration settings to make Redis behave like

a cache.

You can use Redis from most programming languages also.

**Redis 7.0.9** - Released Tue Feb 28 12:00:00 IST 2023 Upgrade urgency:

SECURITY, contains fixes to security issues. Security Fixes: *

(**CVE-2023-25155**) Specially crafted SRANDMEMBER, ZRANDMEMBER, and HRANDFIELD

commands can trigger an integer overflow, resulting in a runtime assertion and

termination of the Redis server process. * (**CVE-2022-36021**) String matching

commands (like SCAN or KEYS) with a specially crafted pattern to trigger a

denial-of-service attack on Redis, causing it to hang and consume 100% CPU

time. Bug Fixes * Fix a crash when reaching the maximum invalidations limit of

client-side tracking (#11814) * Fix a crash when SPUBLISH is used after passing

the cluster-link-sendbuf-limit (#11752) * Fix possible memory corruption in

FLUSHALL when a client watches more than one key (#11854) * Fix cluster inbound

link keepalive time (#11785) * Flush propagation list in active-expire of

writable replicas to fix an assertion (#11615) * Avoid propagating DEL of lazy

expire from SCAN and RANDOMKEY as MULTI-EXEC (#11788)

* Wed Feb 1 2023 Remi Collet - 7.0.9-1

- Upstream 7.0.9 release.

[ 1 ] Bug #2174305 - CVE-2022-36021 redis: Specially crafted SRANDMEMBER, ZRANDMEMBER, and HRANDFIELD commands can trigger an integer overflow

https://bugzilla.redhat.com/show_bug.cgi?id=2174305

[ 2 ] Bug #2174306 - CVE-2023-25155 redis: String matching commands (like SCAN or KEYS) with a specially crafted pattern to trigger a denial-of-service attack

https://bugzilla.redhat.com/show_bug.cgi?id=2174306

su -c 'dnf upgrade --advisory FEDORA-2023-c685251667' at the command

line. For more information, refer to the dnf documentation available at

https://dnf.readthedocs.io/en/latest/command_ref.html

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