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CVE-2021-32765

HIGH

8.8

Description

Hiredis is a minimalistic C client library for the Redis database. In affected versions Hiredis is vulnurable to integer overflow if provided maliciously crafted or corrupted `RESP` `mult-bulk` protocol data. When parsing `multi-bulk` (array-like) replies, hiredis fails to check if `count * sizeof(redisReply*)` can be represented in `SIZE_MAX`. If it can not, and the `calloc()` call doesn't itself make this check, it would result in a short allocation and subsequent buffer overflow. Users of hiredis who are unable to update may set the [maxelements](https://github.com/redis/hiredis#reader-max-array-elements) context option to a value small enough that no overflow is possible.

Details CVE

Score CVSS v3.18.8

SeveriteHIGH

Vecteur CVSSCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Vecteur d'attaqueNETWORK

ComplexiteLOW

Privileges requisLOW

Interaction utilisateurNONE

Publie10/4/2021

Derniere modification11/21/2024

Sourcenvd

Observations honeypot0

Produits affectes

debian:debian_linuxnetapp:management_services_for_element_software_and_netapp_hciredis:hiredis

Faiblesses (CWE)

CWE-190CWE-680CWE-190

References

https://github.com/redis/hiredis/commit/76a7b10005c70babee357a7d0f2becf28ec7ed1e(security-advisories@github.com)

https://github.com/redis/hiredis/security/advisories/GHSA-hfm9-39pp-55p2(security-advisories@github.com)

https://lists.debian.org/debian-lts-announce/2021/10/msg00007.html(security-advisories@github.com)

https://security.gentoo.org/glsa/202210-32(security-advisories@github.com)

https://security.netapp.com/advisory/ntap-20211104-0003/(security-advisories@github.com)

https://wiki.sei.cmu.edu/confluence/display/c/MEM07-C.+Ensure+that+the+arguments+to+calloc%28%29%2C+when+multiplied%2C+do+not+wrap(security-advisories@github.com)

https://github.com/redis/hiredis/commit/76a7b10005c70babee357a7d0f2becf28ec7ed1e(af854a3a-2127-422b-91ae-364da2661108)

https://github.com/redis/hiredis/security/advisories/GHSA-hfm9-39pp-55p2(af854a3a-2127-422b-91ae-364da2661108)

https://lists.debian.org/debian-lts-announce/2021/10/msg00007.html(af854a3a-2127-422b-91ae-364da2661108)

https://security.gentoo.org/glsa/202210-32(af854a3a-2127-422b-91ae-364da2661108)

https://security.netapp.com/advisory/ntap-20211104-0003/(af854a3a-2127-422b-91ae-364da2661108)

https://wiki.sei.cmu.edu/confluence/display/c/MEM07-C.+Ensure+that+the+arguments+to+calloc%28%29%2C+when+multiplied%2C+do+not+wrap(af854a3a-2127-422b-91ae-364da2661108)

Correlations IOC

Aucune correlation enregistree

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