CVE-2020-22283

unknown

Published — · Modified —

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CVSS v3

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CVSS v4 NEW

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not yet in upstream

VIR risk

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Description

A buffer overflow vulnerability in the icmp6_send_response_with_addrs_and_netif() function of Free Software Foundation lwIP version git head allows attackers to access sensitive information via a crafted ICMPv6 packet.

Predictions

Exploit likelihood

20%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

Mitigation details

Source: Debian Security Tracker · View original ↗ · DFSG

CVE-2020-22283 NameCVE-2020-22283 DescriptionA buffer overflow vulnerability in the icmp6_send_response_with_addrs_and_netif() function of Free Software Foundation lwIP version git head allows attackers to access sensitive information via a crafted ICMPv6 packet. SourceCVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub…

CVE-2020-22283

Name	CVE-2020-22283
Description	A buffer overflow vulnerability in the icmp6_send_response_with_addrs_and_netif() function of Free Software Foundation lwIP version git head allows attackers to access sensitive information via a crafted ICMPv6 packet.
Source	CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
References	DLA-3655-1
Debian Bugs	991645

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
lwip (PTS)	bullseye	2.1.2+dfsg1-8+deb11u1	fixed
	bookworm	2.1.3+dfsg1-2	fixed
	trixie	2.2.1+dfsg1-1	fixed
	forky, sid	2.2.1+dfsg1-5	fixed

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Origin	Debian Bugs
lwip	source	buster	2.0.3-3+deb10u2	DLA-3655-1
lwip	source	bullseye	2.1.2+dfsg1-8+deb11u1
lwip	source	(unstable)	2.1.3+dfsg1-1		991645

Notes

https://savannah.nongnu.org/bugs/index.php?58553
Pre-requisite: http://git.savannah.nongnu.org/cgit/lwip.git/commit/?id=d843e47a1d65451bd7f7aaa5017b408bd108be88 (master)
Fixed by: https://git.savannah.nongnu.org/cgit/lwip.git/commit/?id=489405839ae0fea8b99c4896f632eb688dc8a19a (master)
Fixed by: https://git.savannah.nongnu.org/cgit/lwip.git/commit/?id=488d4ad2460c3b41bef69724cad89c28a905eda9 (master)
Pre-requisite: https://git.savannah.nongnu.org/cgit/lwip.git/commit/?id=8f5a0aaacb8d88f65780cb87f14d4cff7c47c44e (STABLE-2_1_3_RC1)
Fixed by: https://git.savannah.nongnu.org/cgit/lwip.git/commit/?id=6ffe30d9ba394e25844019e19ade4dc28d76f65d (STABLE-2_1_3_RC1)
Fixed by: https://git.savannah.nongnu.org/cgit/lwip.git/commit/?id=ecd6009a5e64c98eb91df666b86b1ce7715675be (STABLE-2_1_3_RC1)

Home - Debian Security - Source (Git)

Apply commands

text fix

Notes

https://savannah.nongnu.org/bugs/index.php?58553Pre-requisite: http://git.savannah.nongnu.org/cgit/lwip.git/commit/?id=d843e47a1d65451bd7f7aaa5017b408bd108be88 (master)Fixed by: https://git.savannah.nongnu.org/cgit/lwip.git/commit/?id=489405839ae0fea8b99c4896f632eb688dc8a19a (master)Fixed by: https://git.savannah.nongnu.org/cgit/lwip.git/commit/?id=488d4ad2460c3b41bef69724cad89c28a905eda9 (master)Pre-requisite: https://git.savannah.nongnu.org/cgit/lwip.git/commit/?id=8f5a0aaacb8d88f65780cb87f14d4cff7c47c44e (STABLE-2_1_3_RC1)Fixed by: https://git.savannah.nongnu.org/cgit/lwip.git/commit/?id=6ffe30d9ba394e25844019e19ade4dc28d76f65d (STABLE-2_1_3_RC1)Fixed by: https://git.savannah.nongnu.org/cgit/lwip.git/commit/?id=ecd6009a5e64c98eb91df666b86b1ce7715675be (STABLE-2_1_3_RC1)

OS impact

Debian Fixed 5 releases

Version	Status	Fixed in
trixie	Fixed	`2.1.3+dfsg1-1`
sid	Fixed	`2.1.3+dfsg1-1`
forky	Fixed	`2.1.3+dfsg1-1`
bullseye	Fixed	`2.1.2+dfsg1-8+deb11u1`
bookworm	Fixed	`2.1.3+dfsg1-1`

References

https://security-tracker.debian.org/tracker/CVE-2020-22283

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.