CVE-2011-1935: tcpdump libpcap
CVSS: 9.8v3.1CriticalModified
AliasesDEBIAN-CVE-2011-1935
Published 20-10-2017Last modified 06-08-2024
Vulnerability summary
CVE-2011-1935 is a critical (CVSS 9.8) vulnerability in tcpdump libpcap. EPSS estimates a 3.65% chance of exploitation in the next 30 days, higher than 89.4% of scored vulnerabilities.
CVSS score
9.8/10
010
Critical · v3.1 (NVD)EPSS score
3.65%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 20-10-2017PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
pcap-linux.c in libpcap 1.1.1 before commit ea9432fabdf4b33cbc76d9437200e028f1c47c93 when snaplen is set may truncate packets, which might allow remote attackers to send arbitrary data while avoiding detection via crafted packets.
CVSS metrics
3 scores · 2 sources · 2 versionsCritical 9.8Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesAll 2 agree
- OSV · DebianEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
High 7.5Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
3.65%
Chance of exploitation in the next 30 days
Percentile
89%
Versus all other CVEs
30-day change
0.00 pp
From 3.65% on 18-09-2026
18-09-202618-10-2026
EPSS score3.65%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Debian1 product
- libpcap< 1.1.1-4
Tcpdump1 product
- libpcap≥ 1.1.1, < 1.2.1
2 vendors · 2 products
References
8 links- article.gmane.org/gmane.network.tcpdump.devel/4968X Refsource MISCBroken LinkIssue TrackingThird Party Advisory
- bugs.debian.org/cgi-bin/bugreport.cgi?bug=623868X Refsource MISCIssue TrackingPatchThird Party Advisory
- www.openwall.com/lists/oss-security/2011/05/19/11Mailing ListX Refsource MLISTBroken LinkIssue TrackingPatchThird Party Advisory
- thread.gmane.org/gmane.network.tcpdump.devel/5018X Refsource CONFIRMBroken LinkIssue TrackingPatchThird Party Advisory
- bugs.debian.org/cgi-bin/…X Refsource MISC
- security-tracker.debian.org/tracker/CVE-2011-1935/X Refsource MISCIssue TrackingThird Party Advisory